51285780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 199600128

約数和(自身を除く): 148314348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 101, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 202, 210, 217, 234, 252, 260, 273, 279, 303, 310, 315, 364, 372, 390, 403, 404, 420, 434, 455, 465, 468, 505, 546, 558, 585, 606, 620, 630, 651, 707, 780, 806, 819, 868, 909, 910, 930, 1010, 1085, 1092, 1116, 1170, 1209, 1212, 1260, 1302, 1313, 1365, 1395, 1414, 1515, 1612, 1638, 1818, 1820, 1860, 1953, 2015, 2020, 2121, 2170, 2340, 2418, 2604, 2626, 2730, 2790, 2821, 2828, 3030, 3131, 3255, 3276, 3535, 3627, 3636, 3906, 3939, 4030, 4095, 4242, 4340, 4545, 4836, 5252, 5460, 5580, 5642, 6045, 6060, 6262, 6363, 6510, 6565, 7070, 7254, 7812, 7878, 8060, 8190, 8463, 8484, 9090, 9191, 9393, 9765, 10605, 11284, 11817, 12090, 12524, 12726, 13020, 13130, 14105, 14140, 14508, 15655, 15756, 16380, 16926, 18135, 18180, 18382, 18786, 19530, 19695, 21210, 21917, 23634, 24180, 25389, 25452, 26260, 27573, 28179, 28210, 31310, 31815, 33852, 36270, 36764, 37572, 39060, 39390, 40703, 42315, 42420, 43834, 45955, 46965, 47268, 50778, 55146, 56358, 56420, 59085, 62620, 63630, 65751, 72540, 78780, 81406, 82719, 84630, 87668, 91910, 93930, 101556, 109585, 110292, 112716, 118170, 122109, 126945, 127260, 131502, 137865, 140895, 162812, 165438, 169260, 183820, 187860, 197253, 203515, 219170, 236340, 244218, 253890, 263004, 275730, 281790, 284921, 328755, 330876, 366327, 394506, 407030, 413595, 438340, 488436, 507780, 551460, 563580, 569842, 610545, 657510, 732654, 789012, 814060, 827190, 854763, 986265, 1139684, 1221090, 1315020, 1424605, 1465308, 1654380, 1709526, 1831635, 1972530, 2442180, 2564289, 2849210, 3419052, 3663270, 3945060, 4273815, 5128578, 5698420, 7326540, 8547630, 10257156, 12821445, 17095260, 25642890, 51285780]

約数ペア:

[(1, 51285780), (2, 25642890), (3, 17095260), (4, 12821445), (5, 10257156), (6, 8547630), (7, 7326540), (9, 5698420), (10, 5128578), (12, 4273815), (13, 3945060), (14, 3663270), (15, 3419052), (18, 2849210), (20, 2564289), (21, 2442180), (26, 1972530), (28, 1831635), (30, 1709526), (31, 1654380), (35, 1465308), (36, 1424605), (39, 1315020), (42, 1221090), (45, 1139684), (52, 986265), (60, 854763), (62, 827190), (63, 814060), (65, 789012), (70, 732654), (78, 657510), (84, 610545), (90, 569842), (91, 563580), (93, 551460), (101, 507780), (105, 488436), (117, 438340), (124, 413595), (126, 407030), (130, 394506), (140, 366327), (155, 330876), (156, 328755), (180, 284921), (182, 281790), (186, 275730), (195, 263004), (202, 253890), (210, 244218), (217, 236340), (234, 219170), (252, 203515), (260, 197253), (273, 187860), (279, 183820), (303, 169260), (310, 165438), (315, 162812), (364, 140895), (372, 137865), (390, 131502), (403, 127260), (404, 126945), (420, 122109), (434, 118170), (455, 112716), (465, 110292), (468, 109585), (505, 101556), (546, 93930), (558, 91910), (585, 87668), (606, 84630), (620, 82719), (630, 81406), (651, 78780), (707, 72540), (780, 65751), (806, 63630), (819, 62620), (868, 59085), (909, 56420), (910, 56358), (930, 55146), (1010, 50778), (1085, 47268), (1092, 46965), (1116, 45955), (1170, 43834), (1209, 42420), (1212, 42315), (1260, 40703), (1302, 39390), (1313, 39060), (1365, 37572), (1395, 36764), (1414, 36270), (1515, 33852), (1612, 31815), (1638, 31310), (1818, 28210), (1820, 28179), (1860, 27573), (1953, 26260), (2015, 25452), (2020, 25389), (2121, 24180), (2170, 23634), (2340, 21917), (2418, 21210), (2604, 19695), (2626, 19530), (2730, 18786), (2790, 18382), (2821, 18180), (2828, 18135), (3030, 16926), (3131, 16380), (3255, 15756), (3276, 15655), (3535, 14508), (3627, 14140), (3636, 14105), (3906, 13130), (3939, 13020), (4030, 12726), (4095, 12524), (4242, 12090), (4340, 11817), (4545, 11284), (4836, 10605), (5252, 9765), (5460, 9393), (5580, 9191), (5642, 9090), (6045, 8484), (6060, 8463), (6262, 8190), (6363, 8060), (6510, 7878), (6565, 7812), (7070, 7254)]