72449320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 167443200

約数和(自身を除く): 94993880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 227, 316, 395, 404, 454, 505, 632, 790, 808, 908, 1010, 1135, 1580, 1816, 2020, 2270, 3160, 4040, 4540, 7979, 9080, 15958, 17933, 22927, 31916, 35866, 39895, 45854, 63832, 71732, 79790, 89665, 91708, 114635, 143464, 159580, 179330, 183416, 229270, 319160, 358660, 458540, 717320, 917080, 1811233, 3622466, 7244932, 9056165, 14489864, 18112330, 36224660, 72449320]

約数ペア:

[(1, 72449320), (2, 36224660), (4, 18112330), (5, 14489864), (8, 9056165), (10, 7244932), (20, 3622466), (40, 1811233), (79, 917080), (101, 717320), (158, 458540), (202, 358660), (227, 319160), (316, 229270), (395, 183416), (404, 179330), (454, 159580), (505, 143464), (632, 114635), (790, 91708), (808, 89665), (908, 79790), (1010, 71732), (1135, 63832), (1580, 45854), (1816, 39895), (2020, 35866), (2270, 31916), (3160, 22927), (4040, 17933), (4540, 15958), (7979, 9080)]