20739968280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1259

約数の個数: 288

約数和(自身を含む): 71016950160

約数和(自身を除く): 50276981880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 61, 72, 87, 90, 116, 120, 122, 145, 174, 180, 183, 232, 244, 261, 290, 305, 348, 360, 366, 435, 488, 522, 549, 580, 610, 696, 732, 841, 870, 915, 1044, 1098, 1123, 1160, 1220, 1305, 1464, 1682, 1740, 1769, 1830, 2088, 2196, 2246, 2440, 2523, 2610, 2745, 3364, 3369, 3480, 3538, 3660, 4205, 4392, 4492, 5046, 5220, 5307, 5490, 5615, 6728, 6738, 7076, 7320, 7569, 8410, 8845, 8984, 10092, 10107, 10440, 10614, 10980, 11230, 12615, 13476, 14152, 15138, 15921, 16820, 16845, 17690, 20184, 20214, 21228, 21960, 22460, 25230, 26535, 26952, 30276, 31842, 32567, 33640, 33690, 35380, 37845, 40428, 42456, 44920, 50460, 50535, 51301, 53070, 60552, 63684, 65134, 67380, 68503, 70760, 75690, 79605, 80856, 97701, 100920, 101070, 102602, 106140, 127368, 130268, 134760, 137006, 151380, 153903, 159210, 162835, 195402, 202140, 205204, 205509, 212280, 256505, 260536, 274012, 293103, 302760, 307806, 318420, 325670, 342515, 390804, 404280, 410408, 411018, 461709, 488505, 513010, 548024, 586206, 615612, 616527, 636840, 651340, 685030, 769515, 781608, 822036, 923418, 944443, 977010, 1026020, 1027545, 1172412, 1231224, 1233054, 1302680, 1370060, 1465515, 1539030, 1644072, 1846836, 1888886, 1954020, 1986587, 2052040, 2055090, 2308545, 2344824, 2466108, 2740120, 2833329, 2931030, 3078060, 3082635, 3693672, 3777772, 3908040, 3973174, 4110180, 4617090, 4722215, 4932216, 5666658, 5862060, 5959761, 6156120, 6165270, 7555544, 7946348, 8220360, 8499987, 9234180, 9444430, 9932935, 11333316, 11724120, 11919522, 12330540, 14166645, 15892696, 16999974, 17879283, 18468360, 18888860, 19865870, 22666632, 23839044, 24661080, 28333290, 29798805, 33999948, 35758566, 37777720, 39731740, 42499935, 47678088, 56666580, 57611023, 59597610, 67999896, 71517132, 79463480, 84999870, 89396415, 113333160, 115222046, 119195220, 143034264, 169999740, 172833069, 178792830, 230444092, 238390440, 288055115, 339999480, 345666138, 357585660, 460888184, 518499207, 576110230, 691332276, 715171320, 864165345, 1036998414, 1152220460, 1382664552, 1728330690, 2073996828, 2304440920, 2592496035, 3456661380, 4147993656, 5184992070, 6913322760, 10369984140, 20739968280]

約数ペア:

[(1, 20739968280), (2, 10369984140), (3, 6913322760), (4, 5184992070), (5, 4147993656), (6, 3456661380), (8, 2592496035), (9, 2304440920), (10, 2073996828), (12, 1728330690), (15, 1382664552), (18, 1152220460), (20, 1036998414), (24, 864165345), (29, 715171320), (30, 691332276), (36, 576110230), (40, 518499207), (45, 460888184), (58, 357585660), (60, 345666138), (61, 339999480), (72, 288055115), (87, 238390440), (90, 230444092), (116, 178792830), (120, 172833069), (122, 169999740), (145, 143034264), (174, 119195220), (180, 115222046), (183, 113333160), (232, 89396415), (244, 84999870), (261, 79463480), (290, 71517132), (305, 67999896), (348, 59597610), (360, 57611023), (366, 56666580), (435, 47678088), (488, 42499935), (522, 39731740), (549, 37777720), (580, 35758566), (610, 33999948), (696, 29798805), (732, 28333290), (841, 24661080), (870, 23839044), (915, 22666632), (1044, 19865870), (1098, 18888860), (1123, 18468360), (1160, 17879283), (1220, 16999974), (1305, 15892696), (1464, 14166645), (1682, 12330540), (1740, 11919522), (1769, 11724120), (1830, 11333316), (2088, 9932935), (2196, 9444430), (2246, 9234180), (2440, 8499987), (2523, 8220360), (2610, 7946348), (2745, 7555544), (3364, 6165270), (3369, 6156120), (3480, 5959761), (3538, 5862060), (3660, 5666658), (4205, 4932216), (4392, 4722215), (4492, 4617090), (5046, 4110180), (5220, 3973174), (5307, 3908040), (5490, 3777772), (5615, 3693672), (6728, 3082635), (6738, 3078060), (7076, 2931030), (7320, 2833329), (7569, 2740120), (8410, 2466108), (8845, 2344824), (8984, 2308545), (10092, 2055090), (10107, 2052040), (10440, 1986587), (10614, 1954020), (10980, 1888886), (11230, 1846836), (12615, 1644072), (13476, 1539030), (14152, 1465515), (15138, 1370060), (15921, 1302680), (16820, 1233054), (16845, 1231224), (17690, 1172412), (20184, 1027545), (20214, 1026020), (21228, 977010), (21960, 944443), (22460, 923418), (25230, 822036), (26535, 781608), (26952, 769515), (30276, 685030), (31842, 651340), (32567, 636840), (33640, 616527), (33690, 615612), (35380, 586206), (37845, 548024), (40428, 513010), (42456, 488505), (44920, 461709), (50460, 411018), (50535, 410408), (51301, 404280), (53070, 390804), (60552, 342515), (63684, 325670), (65134, 318420), (67380, 307806), (68503, 302760), (70760, 293103), (75690, 274012), (79605, 260536), (80856, 256505), (97701, 212280), (100920, 205509), (101070, 205204), (102602, 202140), (106140, 195402), (127368, 162835), (130268, 159210), (134760, 153903), (137006, 151380)]