72159620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 168815304

約数和(自身を除く): 96655684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 577, 676, 740, 845, 962, 1154, 1690, 1924, 2308, 2405, 2885, 3380, 4810, 5770, 6253, 7501, 9620, 11540, 12506, 15002, 21349, 25012, 30004, 31265, 37505, 42698, 62530, 75010, 85396, 97513, 106745, 125060, 150020, 195026, 213490, 277537, 390052, 426980, 487565, 555074, 975130, 1110148, 1387685, 1950260, 2775370, 3607981, 5550740, 7215962, 14431924, 18039905, 36079810, 72159620]

約数ペア:

[(1, 72159620), (2, 36079810), (4, 18039905), (5, 14431924), (10, 7215962), (13, 5550740), (20, 3607981), (26, 2775370), (37, 1950260), (52, 1387685), (65, 1110148), (74, 975130), (130, 555074), (148, 487565), (169, 426980), (185, 390052), (260, 277537), (338, 213490), (370, 195026), (481, 150020), (577, 125060), (676, 106745), (740, 97513), (845, 85396), (962, 75010), (1154, 62530), (1690, 42698), (1924, 37505), (2308, 31265), (2405, 30004), (2885, 25012), (3380, 21349), (4810, 15002), (5770, 12506), (6253, 11540), (7501, 9620)]