164858680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15913}}^1$

素因数の和:15968

約数の個数: 64

約数和(自身を含む): 435407040

約数和(自身を除く): 270548360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 15913, 31826, 63652, 79565, 111391, 127304, 159130, 222782, 318260, 445564, 556955, 588781, 636520, 891128, 1113910, 1177562, 2227820, 2355124, 2943905, 4121467, 4455640, 4710248, 5887810, 8242934, 11775620, 16485868, 20607335, 23551240, 32971736, 41214670, 82429340, 164858680]

約数ペア:

[(1, 164858680), (2, 82429340), (4, 41214670), (5, 32971736), (7, 23551240), (8, 20607335), (10, 16485868), (14, 11775620), (20, 8242934), (28, 5887810), (35, 4710248), (37, 4455640), (40, 4121467), (56, 2943905), (70, 2355124), (74, 2227820), (140, 1177562), (148, 1113910), (185, 891128), (259, 636520), (280, 588781), (296, 556955), (370, 445564), (518, 318260), (740, 222782), (1036, 159130), (1295, 127304), (1480, 111391), (2072, 79565), (2590, 63652), (5180, 31826), (10360, 15913)]