1328702960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{6689}}^1$

素因数の和:6906

約数の個数: 80

約数和(自身を含む): 3344785920

約数和(自身を除く): 2016082960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1910, 2483, 3056, 3820, 4966, 6689, 7640, 9932, 12415, 13378, 15280, 19864, 24830, 26756, 33445, 39728, 49660, 53512, 66890, 86957, 99320, 107024, 133780, 173914, 198640, 267560, 347828, 434785, 535120, 695656, 869570, 1277599, 1391312, 1739140, 2555198, 3478280, 5110396, 6387995, 6956560, 10220792, 12775990, 16608787, 20441584, 25551980, 33217574, 51103960, 66435148, 83043935, 102207920, 132870296, 166087870, 265740592, 332175740, 664351480, 1328702960]

約数ペア:

[(1, 1328702960), (2, 664351480), (4, 332175740), (5, 265740592), (8, 166087870), (10, 132870296), (13, 102207920), (16, 83043935), (20, 66435148), (26, 51103960), (40, 33217574), (52, 25551980), (65, 20441584), (80, 16608787), (104, 12775990), (130, 10220792), (191, 6956560), (208, 6387995), (260, 5110396), (382, 3478280), (520, 2555198), (764, 1739140), (955, 1391312), (1040, 1277599), (1528, 869570), (1910, 695656), (2483, 535120), (3056, 434785), (3820, 347828), (4966, 267560), (6689, 198640), (7640, 173914), (9932, 133780), (12415, 107024), (13378, 99320), (15280, 86957), (19864, 66890), (24830, 53512), (26756, 49660), (33445, 39728)]