66778480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 160302240

約数和(自身を除く): 93523760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 89, 113, 166, 178, 226, 332, 356, 415, 445, 452, 565, 664, 712, 830, 890, 904, 1130, 1328, 1424, 1660, 1780, 1808, 2260, 3320, 3560, 4520, 6640, 7120, 7387, 9040, 9379, 10057, 14774, 18758, 20114, 29548, 36935, 37516, 40228, 46895, 50285, 59096, 73870, 75032, 80456, 93790, 100570, 118192, 147740, 150064, 160912, 187580, 201140, 295480, 375160, 402280, 590960, 750320, 804560, 834731, 1669462, 3338924, 4173655, 6677848, 8347310, 13355696, 16694620, 33389240, 66778480]

約数ペア:

[(1, 66778480), (2, 33389240), (4, 16694620), (5, 13355696), (8, 8347310), (10, 6677848), (16, 4173655), (20, 3338924), (40, 1669462), (80, 834731), (83, 804560), (89, 750320), (113, 590960), (166, 402280), (178, 375160), (226, 295480), (332, 201140), (356, 187580), (415, 160912), (445, 150064), (452, 147740), (565, 118192), (664, 100570), (712, 93790), (830, 80456), (890, 75032), (904, 73870), (1130, 59096), (1328, 50285), (1424, 46895), (1660, 40228), (1780, 37516), (1808, 36935), (2260, 29548), (3320, 20114), (3560, 18758), (4520, 14774), (6640, 10057), (7120, 9379), (7387, 9040)]