30931980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{613}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 89845392

約数和(自身を除く): 58913412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 613, 841, 870, 1226, 1682, 1740, 1839, 2452, 2523, 3065, 3364, 3678, 4205, 5046, 6130, 7356, 8410, 9195, 10092, 12260, 12615, 16820, 17777, 18390, 25230, 35554, 36780, 50460, 53331, 71108, 88885, 106662, 177770, 213324, 266655, 355540, 515533, 533310, 1031066, 1066620, 1546599, 2062132, 2577665, 3093198, 5155330, 6186396, 7732995, 10310660, 15465990, 30931980]

約数ペア:

[(1, 30931980), (2, 15465990), (3, 10310660), (4, 7732995), (5, 6186396), (6, 5155330), (10, 3093198), (12, 2577665), (15, 2062132), (20, 1546599), (29, 1066620), (30, 1031066), (58, 533310), (60, 515533), (87, 355540), (116, 266655), (145, 213324), (174, 177770), (290, 106662), (348, 88885), (435, 71108), (580, 53331), (613, 50460), (841, 36780), (870, 35554), (1226, 25230), (1682, 18390), (1740, 17777), (1839, 16820), (2452, 12615), (2523, 12260), (3065, 10092), (3364, 9195), (3678, 8410), (4205, 7356), (5046, 6130)]