121278400

素因数分解:

$2^6\times 5^2\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:582

約数の個数: 84

約数和(自身を含む): 300629320

約数和(自身を除く): 179350920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 229, 320, 331, 400, 458, 662, 800, 916, 1145, 1324, 1600, 1655, 1832, 2290, 2648, 3310, 3664, 4580, 5296, 5725, 6620, 7328, 8275, 9160, 10592, 11450, 13240, 14656, 16550, 18320, 21184, 22900, 26480, 33100, 36640, 45800, 52960, 66200, 73280, 75799, 91600, 105920, 132400, 151598, 183200, 264800, 303196, 366400, 378995, 529600, 606392, 757990, 1212784, 1515980, 1894975, 2425568, 3031960, 3789950, 4851136, 6063920, 7579900, 12127840, 15159800, 24255680, 30319600, 60639200, 121278400]

約数ペア:

[(1, 121278400), (2, 60639200), (4, 30319600), (5, 24255680), (8, 15159800), (10, 12127840), (16, 7579900), (20, 6063920), (25, 4851136), (32, 3789950), (40, 3031960), (50, 2425568), (64, 1894975), (80, 1515980), (100, 1212784), (160, 757990), (200, 606392), (229, 529600), (320, 378995), (331, 366400), (400, 303196), (458, 264800), (662, 183200), (800, 151598), (916, 132400), (1145, 105920), (1324, 91600), (1600, 75799), (1655, 73280), (1832, 66200), (2290, 52960), (2648, 45800), (3310, 36640), (3664, 33100), (4580, 26480), (5296, 22900), (5725, 21184), (6620, 18320), (7328, 16550), (8275, 14656), (9160, 13240), (10592, 11450)]