123501872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 278419680

約数和(自身を除く): 154917808

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 104, 106, 136, 208, 212, 221, 272, 424, 442, 659, 689, 848, 884, 901, 1318, 1378, 1768, 1802, 2636, 2756, 3536, 3604, 5272, 5512, 7208, 8567, 10544, 11024, 11203, 11713, 14416, 17134, 22406, 23426, 34268, 34927, 44812, 46852, 68536, 69854, 89624, 93704, 137072, 139708, 145639, 179248, 187408, 279416, 291278, 454051, 558832, 582556, 593759, 908102, 1165112, 1187518, 1816204, 2330224, 2375036, 3632408, 4750072, 7264816, 7718867, 9500144, 15437734, 30875468, 61750936, 123501872]

約数ペア:

[(1, 123501872), (2, 61750936), (4, 30875468), (8, 15437734), (13, 9500144), (16, 7718867), (17, 7264816), (26, 4750072), (34, 3632408), (52, 2375036), (53, 2330224), (68, 1816204), (104, 1187518), (106, 1165112), (136, 908102), (208, 593759), (212, 582556), (221, 558832), (272, 454051), (424, 291278), (442, 279416), (659, 187408), (689, 179248), (848, 145639), (884, 139708), (901, 137072), (1318, 93704), (1378, 89624), (1768, 69854), (1802, 68536), (2636, 46852), (2756, 44812), (3536, 34927), (3604, 34268), (5272, 23426), (5512, 22406), (7208, 17134), (8567, 14416), (10544, 11713), (11024, 11203)]