618806451640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{46757}}^1$

素因数の和:47633

約数の個数: 128

約数和(自身を含む): 1549702264320

約数和(自身を除く): 930895812680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 821, 1240, 1612, 1642, 2015, 3224, 3284, 4030, 4105, 6568, 8060, 8210, 10673, 16120, 16420, 21346, 25451, 32840, 42692, 46757, 50902, 53365, 85384, 93514, 101804, 106730, 127255, 187028, 203608, 213460, 233785, 254510, 330863, 374056, 426920, 467570, 509020, 607841, 661726, 935140, 1018040, 1215682, 1323452, 1449467, 1654315, 1870280, 2431364, 2646904, 2898934, 3039205, 3308630, 4862728, 5797868, 6078410, 6617260, 7247335, 11595736, 12156820, 13234520, 14494670, 18843071, 24313640, 28989340, 37686142, 38387497, 57978680, 75372284, 76774994, 94215355, 150744568, 153549988, 188430710, 191937485, 307099976, 376861420, 383874970, 499037461, 753722840, 767749940, 998074922, 1190012407, 1535499880, 1996149844, 2380024814, 2495187305, 3992299688, 4760049628, 4990374610, 5950062035, 9520099256, 9980749220, 11900124070, 15470161291, 19961498440, 23800248140, 30940322582, 47600496280, 61880645164, 77350806455, 123761290328, 154701612910, 309403225820, 618806451640]

約数ペア:

[(1, 618806451640), (2, 309403225820), (4, 154701612910), (5, 123761290328), (8, 77350806455), (10, 61880645164), (13, 47600496280), (20, 30940322582), (26, 23800248140), (31, 19961498440), (40, 15470161291), (52, 11900124070), (62, 9980749220), (65, 9520099256), (104, 5950062035), (124, 4990374610), (130, 4760049628), (155, 3992299688), (248, 2495187305), (260, 2380024814), (310, 1996149844), (403, 1535499880), (520, 1190012407), (620, 998074922), (806, 767749940), (821, 753722840), (1240, 499037461), (1612, 383874970), (1642, 376861420), (2015, 307099976), (3224, 191937485), (3284, 188430710), (4030, 153549988), (4105, 150744568), (6568, 94215355), (8060, 76774994), (8210, 75372284), (10673, 57978680), (16120, 38387497), (16420, 37686142), (21346, 28989340), (25451, 24313640), (32840, 18843071), (42692, 14494670), (46757, 13234520), (50902, 12156820), (53365, 11595736), (85384, 7247335), (93514, 6617260), (101804, 6078410), (106730, 5797868), (127255, 4862728), (187028, 3308630), (203608, 3039205), (213460, 2898934), (233785, 2646904), (254510, 2431364), (330863, 1870280), (374056, 1654315), (426920, 1449467), (467570, 1323452), (509020, 1215682), (607841, 1018040), (661726, 935140)]