31686018840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{405607}}^1$

素因数の和:405662

約数の個数: 192

約数和(自身を含む): 121487708160

約数和(自身を除く): 89801689320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 26040, 39060, 78120, 405607, 811214, 1216821, 1622428, 2028035, 2433642, 2839249, 3244856, 3650463, 4056070, 4867284, 5678498, 6084105, 7300926, 8112140, 8517747, 9734568, 11356996, 12168210, 12573817, 14196245, 14601852, 16224280, 17035494, 18252315, 22713992, 24336420, 25147634, 25553241, 28392490, 29203704, 34070988, 36504630, 37721451, 42588735, 48672840, 50295268, 51106482, 56784980, 62869085, 68141976, 73009260, 75442902, 85177470, 88016719, 100590536, 102212964, 113164353, 113569960, 125738170, 127766205, 146018520, 150885804, 170354940, 176033438, 188607255, 204425928, 226328706, 251476340, 255532410, 264050157, 301771608, 340709880, 352066876, 377214510, 440083595, 452657412, 502952680, 511064820, 528100314, 565821765, 704133752, 754429020, 792150471, 880167190, 905314824, 1022129640, 1056200628, 1131643530, 1320250785, 1508858040, 1584300942, 1760334380, 2112401256, 2263287060, 2640501570, 3168601884, 3520668760, 3960752355, 4526574120, 5281003140, 6337203768, 7921504710, 10562006280, 15843009420, 31686018840]

約数ペア:

[(1, 31686018840), (2, 15843009420), (3, 10562006280), (4, 7921504710), (5, 6337203768), (6, 5281003140), (7, 4526574120), (8, 3960752355), (9, 3520668760), (10, 3168601884), (12, 2640501570), (14, 2263287060), (15, 2112401256), (18, 1760334380), (20, 1584300942), (21, 1508858040), (24, 1320250785), (28, 1131643530), (30, 1056200628), (31, 1022129640), (35, 905314824), (36, 880167190), (40, 792150471), (42, 754429020), (45, 704133752), (56, 565821765), (60, 528100314), (62, 511064820), (63, 502952680), (70, 452657412), (72, 440083595), (84, 377214510), (90, 352066876), (93, 340709880), (105, 301771608), (120, 264050157), (124, 255532410), (126, 251476340), (140, 226328706), (155, 204425928), (168, 188607255), (180, 176033438), (186, 170354940), (210, 150885804), (217, 146018520), (248, 127766205), (252, 125738170), (279, 113569960), (280, 113164353), (310, 102212964), (315, 100590536), (360, 88016719), (372, 85177470), (420, 75442902), (434, 73009260), (465, 68141976), (504, 62869085), (558, 56784980), (620, 51106482), (630, 50295268), (651, 48672840), (744, 42588735), (840, 37721451), (868, 36504630), (930, 34070988), (1085, 29203704), (1116, 28392490), (1240, 25553241), (1260, 25147634), (1302, 24336420), (1395, 22713992), (1736, 18252315), (1860, 17035494), (1953, 16224280), (2170, 14601852), (2232, 14196245), (2520, 12573817), (2604, 12168210), (2790, 11356996), (3255, 9734568), (3720, 8517747), (3906, 8112140), (4340, 7300926), (5208, 6084105), (5580, 5678498), (6510, 4867284), (7812, 4056070), (8680, 3650463), (9765, 3244856), (11160, 2839249), (13020, 2433642), (15624, 2028035), (19530, 1622428), (26040, 1216821), (39060, 811214), (78120, 405607)]