156909320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3911}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 380246400

約数和(自身を除く): 223337080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2360, 3911, 4012, 5015, 7822, 8024, 10030, 15644, 19555, 20060, 31288, 39110, 40120, 66487, 78220, 132974, 156440, 230749, 265948, 332435, 461498, 531896, 664870, 922996, 1153745, 1329740, 1845992, 2307490, 2659480, 3922733, 4614980, 7845466, 9229960, 15690932, 19613665, 31381864, 39227330, 78454660, 156909320]

約数ペア:

[(1, 156909320), (2, 78454660), (4, 39227330), (5, 31381864), (8, 19613665), (10, 15690932), (17, 9229960), (20, 7845466), (34, 4614980), (40, 3922733), (59, 2659480), (68, 2307490), (85, 1845992), (118, 1329740), (136, 1153745), (170, 922996), (236, 664870), (295, 531896), (340, 461498), (472, 332435), (590, 265948), (680, 230749), (1003, 156440), (1180, 132974), (2006, 78220), (2360, 66487), (3911, 40120), (4012, 39110), (5015, 31288), (7822, 20060), (8024, 19555), (10030, 15644)]