129202480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3646

約数の個数: 80

約数和(自身を含む): 335791008

約数和(自身を除く): 206588528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3581, 3608, 4510, 7162, 7216, 9020, 14324, 17905, 18040, 28648, 35810, 36080, 39391, 57296, 71620, 78782, 143240, 146821, 157564, 196955, 286480, 293642, 315128, 393910, 587284, 630256, 734105, 787820, 1174568, 1468210, 1575640, 1615031, 2349136, 2936420, 3151280, 3230062, 5872840, 6460124, 8075155, 11745680, 12920248, 16150310, 25840496, 32300620, 64601240, 129202480]

約数ペア:

[(1, 129202480), (2, 64601240), (4, 32300620), (5, 25840496), (8, 16150310), (10, 12920248), (11, 11745680), (16, 8075155), (20, 6460124), (22, 5872840), (40, 3230062), (41, 3151280), (44, 2936420), (55, 2349136), (80, 1615031), (82, 1575640), (88, 1468210), (110, 1174568), (164, 787820), (176, 734105), (205, 630256), (220, 587284), (328, 393910), (410, 315128), (440, 293642), (451, 286480), (656, 196955), (820, 157564), (880, 146821), (902, 143240), (1640, 78782), (1804, 71620), (2255, 57296), (3280, 39391), (3581, 36080), (3608, 35810), (4510, 28648), (7162, 18040), (7216, 17905), (9020, 14324)]