72591740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 169188768

約数和(自身を除く): 96597028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 151, 172, 215, 260, 302, 430, 559, 604, 755, 860, 1118, 1510, 1849, 1963, 2236, 2795, 3020, 3698, 3926, 5590, 6493, 7396, 7852, 9245, 9815, 11180, 12986, 18490, 19630, 24037, 25972, 32465, 36980, 39260, 48074, 64930, 84409, 96148, 120185, 129860, 168818, 240370, 279199, 337636, 422045, 480740, 558398, 844090, 1116796, 1395995, 1688180, 2791990, 3629587, 5583980, 7259174, 14518348, 18147935, 36295870, 72591740]

約数ペア:

[(1, 72591740), (2, 36295870), (4, 18147935), (5, 14518348), (10, 7259174), (13, 5583980), (20, 3629587), (26, 2791990), (43, 1688180), (52, 1395995), (65, 1116796), (86, 844090), (130, 558398), (151, 480740), (172, 422045), (215, 337636), (260, 279199), (302, 240370), (430, 168818), (559, 129860), (604, 120185), (755, 96148), (860, 84409), (1118, 64930), (1510, 48074), (1849, 39260), (1963, 36980), (2236, 32465), (2795, 25972), (3020, 24037), (3698, 19630), (3926, 18490), (5590, 12986), (6493, 11180), (7396, 9815), (7852, 9245)]