15301980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 48787200

約数和(自身を除く): 33485220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 659, 774, 860, 1161, 1290, 1318, 1548, 1935, 1977, 2322, 2580, 2636, 3295, 3870, 3954, 4644, 5805, 5931, 6590, 7740, 7908, 9885, 11610, 11862, 13180, 17793, 19770, 23220, 23724, 28337, 29655, 35586, 39540, 56674, 59310, 71172, 85011, 88965, 113348, 118620, 141685, 170022, 177930, 255033, 283370, 340044, 355860, 425055, 510066, 566740, 765099, 850110, 1020132, 1275165, 1530198, 1700220, 2550330, 3060396, 3825495, 5100660, 7650990, 15301980]

約数ペア:

[(1, 15301980), (2, 7650990), (3, 5100660), (4, 3825495), (5, 3060396), (6, 2550330), (9, 1700220), (10, 1530198), (12, 1275165), (15, 1020132), (18, 850110), (20, 765099), (27, 566740), (30, 510066), (36, 425055), (43, 355860), (45, 340044), (54, 283370), (60, 255033), (86, 177930), (90, 170022), (108, 141685), (129, 118620), (135, 113348), (172, 88965), (180, 85011), (215, 71172), (258, 59310), (270, 56674), (387, 39540), (430, 35586), (516, 29655), (540, 28337), (645, 23724), (659, 23220), (774, 19770), (860, 17793), (1161, 13180), (1290, 11862), (1318, 11610), (1548, 9885), (1935, 7908), (1977, 7740), (2322, 6590), (2580, 5931), (2636, 5805), (3295, 4644), (3870, 3954)]