51671620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 152409600

約数和(自身を除く): 100737980

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 29, 35, 44, 52, 55, 58, 65, 70, 77, 89, 91, 110, 116, 130, 140, 143, 145, 154, 178, 182, 203, 220, 260, 286, 290, 308, 319, 356, 364, 377, 385, 406, 445, 455, 572, 580, 623, 638, 715, 754, 770, 812, 890, 910, 979, 1001, 1015, 1157, 1246, 1276, 1430, 1508, 1540, 1595, 1780, 1820, 1885, 1958, 2002, 2030, 2233, 2314, 2492, 2581, 2639, 2860, 3115, 3190, 3770, 3916, 4004, 4060, 4147, 4466, 4628, 4895, 5005, 5162, 5278, 5785, 6230, 6380, 6853, 7540, 8099, 8294, 8932, 9790, 10010, 10324, 10556, 11165, 11570, 12460, 12727, 12905, 13195, 13706, 16198, 16588, 18067, 19580, 20020, 20735, 22330, 23140, 25454, 25810, 26390, 27412, 28391, 29029, 32396, 33553, 34265, 36134, 40495, 41470, 44660, 50908, 51620, 52780, 56782, 58058, 63635, 67106, 68530, 72268, 80990, 82940, 89089, 90335, 113564, 116116, 127270, 134212, 137060, 141955, 145145, 161980, 167765, 178178, 180670, 198737, 234871, 254540, 283910, 290290, 335530, 356356, 361340, 369083, 397474, 445445, 469742, 567820, 580580, 671060, 738166, 794948, 890890, 939484, 993685, 1174355, 1476332, 1781780, 1845415, 1987370, 2348710, 2583581, 3690830, 3974740, 4697420, 5167162, 7381660, 10334324, 12917905, 25835810, 51671620]

約数ペア:

[(1, 51671620), (2, 25835810), (4, 12917905), (5, 10334324), (7, 7381660), (10, 5167162), (11, 4697420), (13, 3974740), (14, 3690830), (20, 2583581), (22, 2348710), (26, 1987370), (28, 1845415), (29, 1781780), (35, 1476332), (44, 1174355), (52, 993685), (55, 939484), (58, 890890), (65, 794948), (70, 738166), (77, 671060), (89, 580580), (91, 567820), (110, 469742), (116, 445445), (130, 397474), (140, 369083), (143, 361340), (145, 356356), (154, 335530), (178, 290290), (182, 283910), (203, 254540), (220, 234871), (260, 198737), (286, 180670), (290, 178178), (308, 167765), (319, 161980), (356, 145145), (364, 141955), (377, 137060), (385, 134212), (406, 127270), (445, 116116), (455, 113564), (572, 90335), (580, 89089), (623, 82940), (638, 80990), (715, 72268), (754, 68530), (770, 67106), (812, 63635), (890, 58058), (910, 56782), (979, 52780), (1001, 51620), (1015, 50908), (1157, 44660), (1246, 41470), (1276, 40495), (1430, 36134), (1508, 34265), (1540, 33553), (1595, 32396), (1780, 29029), (1820, 28391), (1885, 27412), (1958, 26390), (2002, 25810), (2030, 25454), (2233, 23140), (2314, 22330), (2492, 20735), (2581, 20020), (2639, 19580), (2860, 18067), (3115, 16588), (3190, 16198), (3770, 13706), (3916, 13195), (4004, 12905), (4060, 12727), (4147, 12460), (4466, 11570), (4628, 11165), (4895, 10556), (5005, 10324), (5162, 10010), (5278, 9790), (5785, 8932), (6230, 8294), (6380, 8099), (6853, 7540)]