1204840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 3346560

約数和(自身を除く): 2141720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 331, 364, 455, 520, 662, 728, 910, 1324, 1655, 1820, 2317, 2648, 3310, 3640, 4303, 4634, 6620, 8606, 9268, 11585, 13240, 17212, 18536, 21515, 23170, 30121, 34424, 43030, 46340, 60242, 86060, 92680, 120484, 150605, 172120, 240968, 301210, 602420, 1204840]

約数ペア:

[(1, 1204840), (2, 602420), (4, 301210), (5, 240968), (7, 172120), (8, 150605), (10, 120484), (13, 92680), (14, 86060), (20, 60242), (26, 46340), (28, 43030), (35, 34424), (40, 30121), (52, 23170), (56, 21515), (65, 18536), (70, 17212), (91, 13240), (104, 11585), (130, 9268), (140, 8606), (182, 6620), (260, 4634), (280, 4303), (331, 3640), (364, 3310), (455, 2648), (520, 2317), (662, 1820), (728, 1655), (910, 1324)]