1261891890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64613}}^1$

素因数の和:64664

約数の個数: 96

約数和(自身を含む): 3870637056

約数和(自身を除く): 2608745166

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 19530, 64613, 129226, 193839, 323065, 387678, 452291, 581517, 646130, 904582, 969195, 1163034, 1356873, 1938390, 2003003, 2261455, 2713746, 2907585, 4006006, 4070619, 4522910, 5815170, 6009009, 6784365, 8141238, 10015015, 12018018, 13568730, 14021021, 18027027, 20030030, 20353095, 28042042, 30045045, 36054054, 40706190, 42063063, 60090090, 70105105, 84126126, 90135135, 126189189, 140210210, 180270270, 210315315, 252378378, 420630630, 630945945, 1261891890]

約数ペア:

[(1, 1261891890), (2, 630945945), (3, 420630630), (5, 252378378), (6, 210315315), (7, 180270270), (9, 140210210), (10, 126189189), (14, 90135135), (15, 84126126), (18, 70105105), (21, 60090090), (30, 42063063), (31, 40706190), (35, 36054054), (42, 30045045), (45, 28042042), (62, 20353095), (63, 20030030), (70, 18027027), (90, 14021021), (93, 13568730), (105, 12018018), (126, 10015015), (155, 8141238), (186, 6784365), (210, 6009009), (217, 5815170), (279, 4522910), (310, 4070619), (315, 4006006), (434, 2907585), (465, 2713746), (558, 2261455), (630, 2003003), (651, 1938390), (930, 1356873), (1085, 1163034), (1302, 969195), (1395, 904582), (1953, 646130), (2170, 581517), (2790, 452291), (3255, 387678), (3906, 323065), (6510, 193839), (9765, 129226), (19530, 64613)]