72130160

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 173024640

約数和(自身を除く): 100894480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 101, 113, 158, 202, 226, 316, 395, 404, 452, 505, 565, 632, 790, 808, 904, 1010, 1130, 1264, 1580, 1616, 1808, 2020, 2260, 3160, 4040, 4520, 6320, 7979, 8080, 8927, 9040, 11413, 15958, 17854, 22826, 31916, 35708, 39895, 44635, 45652, 57065, 63832, 71416, 79790, 89270, 91304, 114130, 127664, 142832, 159580, 178540, 182608, 228260, 319160, 357080, 456520, 638320, 714160, 901627, 913040, 1803254, 3606508, 4508135, 7213016, 9016270, 14426032, 18032540, 36065080, 72130160]

約数ペア:

[(1, 72130160), (2, 36065080), (4, 18032540), (5, 14426032), (8, 9016270), (10, 7213016), (16, 4508135), (20, 3606508), (40, 1803254), (79, 913040), (80, 901627), (101, 714160), (113, 638320), (158, 456520), (202, 357080), (226, 319160), (316, 228260), (395, 182608), (404, 178540), (452, 159580), (505, 142832), (565, 127664), (632, 114130), (790, 91304), (808, 89270), (904, 79790), (1010, 71416), (1130, 63832), (1264, 57065), (1580, 45652), (1616, 44635), (1808, 39895), (2020, 35708), (2260, 31916), (3160, 22826), (4040, 17854), (4520, 15958), (6320, 11413), (7979, 9040), (8080, 8927)]