20157564240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:1019

約数の個数: 360

約数和(自身を含む): 74724295464

約数和(自身を除く): 54566731224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 401, 440, 484, 495, 528, 577, 605, 660, 720, 726, 792, 802, 880, 968, 990, 1089, 1154, 1203, 1210, 1320, 1452, 1584, 1604, 1731, 1815, 1936, 1980, 2005, 2178, 2308, 2406, 2420, 2640, 2885, 2904, 3208, 3462, 3609, 3630, 3960, 4010, 4356, 4411, 4616, 4812, 4840, 5193, 5445, 5770, 5808, 6015, 6347, 6416, 6924, 7218, 7260, 7920, 8020, 8655, 8712, 8822, 9232, 9624, 9680, 10386, 10890, 11540, 12030, 12694, 13233, 13848, 14436, 14520, 16040, 17310, 17424, 17644, 18045, 19041, 19248, 20772, 21780, 22055, 23080, 24060, 25388, 25965, 26466, 27696, 28872, 29040, 31735, 32080, 34620, 35288, 36090, 38082, 39699, 41544, 43560, 44110, 46160, 48120, 48521, 50776, 51930, 52932, 57123, 57744, 63470, 66165, 69240, 69817, 70576, 72180, 76164, 79398, 83088, 87120, 88220, 95205, 96240, 97042, 101552, 103860, 105864, 114246, 126940, 132330, 138480, 139634, 144360, 145563, 152328, 158796, 176440, 190410, 194084, 198495, 207720, 209451, 211728, 228492, 231377, 242605, 253880, 264660, 279268, 285615, 288720, 291126, 304656, 317592, 349085, 352880, 380820, 388168, 396990, 415440, 418902, 436689, 456984, 462754, 485210, 507760, 529320, 558536, 571230, 582252, 628353, 635184, 694131, 698170, 727815, 761640, 776336, 793980, 837804, 873378, 913968, 925508, 970420, 1047255, 1058640, 1117072, 1142460, 1156885, 1164504, 1256706, 1388262, 1396340, 1455630, 1523280, 1587960, 1675608, 1746756, 1851016, 1940840, 2082393, 2094510, 2183445, 2284920, 2313770, 2329008, 2513412, 2545147, 2776524, 2792680, 2911260, 3141765, 3175920, 3351216, 3470655, 3493512, 3702032, 3881680, 4164786, 4189020, 4366890, 4569840, 4627540, 5026824, 5090294, 5553048, 5585360, 5822520, 6283530, 6941310, 6987024, 7635441, 8329572, 8378040, 8733780, 9255080, 10053648, 10180588, 10411965, 11106096, 11645040, 12567060, 12725735, 13882620, 15270882, 16659144, 16756080, 17467560, 18510160, 20361176, 20823930, 22906323, 25134120, 25451470, 27765240, 27996617, 30541764, 33318288, 34935120, 38177205, 40722352, 41647860, 45812646, 50268240, 50902940, 55530480, 55993234, 61083528, 76354410, 83295720, 83989851, 91625292, 101805880, 111986468, 114531615, 122167056, 139983085, 152708820, 166591440, 167979702, 183250584, 203611760, 223972936, 229063230, 251969553, 279966170, 305417640, 335959404, 366501168, 419949255, 447945872, 458126460, 503939106, 559932340, 610835280, 671918808, 839898510, 916252920, 1007878212, 1119864680, 1259847765, 1343837616, 1679797020, 1832505840, 2015756424, 2239729360, 2519695530, 3359594040, 4031512848, 5039391060, 6719188080, 10078782120, 20157564240]

約数ペア:

[(1, 20157564240), (2, 10078782120), (3, 6719188080), (4, 5039391060), (5, 4031512848), (6, 3359594040), (8, 2519695530), (9, 2239729360), (10, 2015756424), (11, 1832505840), (12, 1679797020), (15, 1343837616), (16, 1259847765), (18, 1119864680), (20, 1007878212), (22, 916252920), (24, 839898510), (30, 671918808), (33, 610835280), (36, 559932340), (40, 503939106), (44, 458126460), (45, 447945872), (48, 419949255), (55, 366501168), (60, 335959404), (66, 305417640), (72, 279966170), (80, 251969553), (88, 229063230), (90, 223972936), (99, 203611760), (110, 183250584), (120, 167979702), (121, 166591440), (132, 152708820), (144, 139983085), (165, 122167056), (176, 114531615), (180, 111986468), (198, 101805880), (220, 91625292), (240, 83989851), (242, 83295720), (264, 76354410), (330, 61083528), (360, 55993234), (363, 55530480), (396, 50902940), (401, 50268240), (440, 45812646), (484, 41647860), (495, 40722352), (528, 38177205), (577, 34935120), (605, 33318288), (660, 30541764), (720, 27996617), (726, 27765240), (792, 25451470), (802, 25134120), (880, 22906323), (968, 20823930), (990, 20361176), (1089, 18510160), (1154, 17467560), (1203, 16756080), (1210, 16659144), (1320, 15270882), (1452, 13882620), (1584, 12725735), (1604, 12567060), (1731, 11645040), (1815, 11106096), (1936, 10411965), (1980, 10180588), (2005, 10053648), (2178, 9255080), (2308, 8733780), (2406, 8378040), (2420, 8329572), (2640, 7635441), (2885, 6987024), (2904, 6941310), (3208, 6283530), (3462, 5822520), (3609, 5585360), (3630, 5553048), (3960, 5090294), (4010, 5026824), (4356, 4627540), (4411, 4569840), (4616, 4366890), (4812, 4189020), (4840, 4164786), (5193, 3881680), (5445, 3702032), (5770, 3493512), (5808, 3470655), (6015, 3351216), (6347, 3175920), (6416, 3141765), (6924, 2911260), (7218, 2792680), (7260, 2776524), (7920, 2545147), (8020, 2513412), (8655, 2329008), (8712, 2313770), (8822, 2284920), (9232, 2183445), (9624, 2094510), (9680, 2082393), (10386, 1940840), (10890, 1851016), (11540, 1746756), (12030, 1675608), (12694, 1587960), (13233, 1523280), (13848, 1455630), (14436, 1396340), (14520, 1388262), (16040, 1256706), (17310, 1164504), (17424, 1156885), (17644, 1142460), (18045, 1117072), (19041, 1058640), (19248, 1047255), (20772, 970420), (21780, 925508), (22055, 913968), (23080, 873378), (24060, 837804), (25388, 793980), (25965, 776336), (26466, 761640), (27696, 727815), (28872, 698170), (29040, 694131), (31735, 635184), (32080, 628353), (34620, 582252), (35288, 571230), (36090, 558536), (38082, 529320), (39699, 507760), (41544, 485210), (43560, 462754), (44110, 456984), (46160, 436689), (48120, 418902), (48521, 415440), (50776, 396990), (51930, 388168), (52932, 380820), (57123, 352880), (57744, 349085), (63470, 317592), (66165, 304656), (69240, 291126), (69817, 288720), (70576, 285615), (72180, 279268), (76164, 264660), (79398, 253880), (83088, 242605), (87120, 231377), (88220, 228492), (95205, 211728), (96240, 209451), (97042, 207720), (101552, 198495), (103860, 194084), (105864, 190410), (114246, 176440), (126940, 158796), (132330, 152328), (138480, 145563), (139634, 144360)]