20138156760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{9719}}^1$

素因数の和:10321

約数の個数: 128

約数和(自身を含む): 62481715200

約数和(自身を除く): 42343558440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 557, 620, 744, 930, 1114, 1240, 1671, 1860, 2228, 2785, 3342, 3720, 4456, 5570, 6684, 8355, 9719, 11140, 13368, 16710, 17267, 19438, 22280, 29157, 33420, 34534, 38876, 48595, 51801, 58314, 66840, 69068, 77752, 86335, 97190, 103602, 116628, 138136, 145785, 172670, 194380, 207204, 233256, 259005, 291570, 301289, 345340, 388760, 414408, 518010, 583140, 602578, 690680, 903867, 1036020, 1166280, 1205156, 1506445, 1807734, 2072040, 2410312, 3012890, 3615468, 4519335, 5413483, 6025780, 7230936, 9038670, 10826966, 12051560, 16240449, 18077340, 21653932, 27067415, 32480898, 36154680, 43307864, 54134830, 64961796, 81202245, 108269660, 129923592, 162404490, 167817973, 216539320, 324808980, 335635946, 503453919, 649617960, 671271892, 839089865, 1006907838, 1342543784, 1678179730, 2013815676, 2517269595, 3356359460, 4027631352, 5034539190, 6712718920, 10069078380, 20138156760]

約数ペア:

[(1, 20138156760), (2, 10069078380), (3, 6712718920), (4, 5034539190), (5, 4027631352), (6, 3356359460), (8, 2517269595), (10, 2013815676), (12, 1678179730), (15, 1342543784), (20, 1006907838), (24, 839089865), (30, 671271892), (31, 649617960), (40, 503453919), (60, 335635946), (62, 324808980), (93, 216539320), (120, 167817973), (124, 162404490), (155, 129923592), (186, 108269660), (248, 81202245), (310, 64961796), (372, 54134830), (465, 43307864), (557, 36154680), (620, 32480898), (744, 27067415), (930, 21653932), (1114, 18077340), (1240, 16240449), (1671, 12051560), (1860, 10826966), (2228, 9038670), (2785, 7230936), (3342, 6025780), (3720, 5413483), (4456, 4519335), (5570, 3615468), (6684, 3012890), (8355, 2410312), (9719, 2072040), (11140, 1807734), (13368, 1506445), (16710, 1205156), (17267, 1166280), (19438, 1036020), (22280, 903867), (29157, 690680), (33420, 602578), (34534, 583140), (38876, 518010), (48595, 414408), (51801, 388760), (58314, 345340), (66840, 301289), (69068, 291570), (77752, 259005), (86335, 233256), (97190, 207204), (103602, 194380), (116628, 172670), (138136, 145785)]