221978640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71147}}^1$

素因数の和:71176

約数の個数: 80

約数和(自身を含む): 741077568

約数和(自身を除く): 519098928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 71147, 142294, 213441, 284588, 355735, 426882, 569176, 711470, 853764, 924911, 1067205, 1138352, 1422940, 1707528, 1849822, 2134410, 2774733, 2845880, 3415056, 3699644, 4268820, 4624555, 5549466, 5691760, 7399288, 8537640, 9249110, 11098932, 13873665, 14798576, 17075280, 18498220, 22197864, 27747330, 36996440, 44395728, 55494660, 73992880, 110989320, 221978640]

約数ペア:

[(1, 221978640), (2, 110989320), (3, 73992880), (4, 55494660), (5, 44395728), (6, 36996440), (8, 27747330), (10, 22197864), (12, 18498220), (13, 17075280), (15, 14798576), (16, 13873665), (20, 11098932), (24, 9249110), (26, 8537640), (30, 7399288), (39, 5691760), (40, 5549466), (48, 4624555), (52, 4268820), (60, 3699644), (65, 3415056), (78, 2845880), (80, 2774733), (104, 2134410), (120, 1849822), (130, 1707528), (156, 1422940), (195, 1138352), (208, 1067205), (240, 924911), (260, 853764), (312, 711470), (390, 569176), (520, 426882), (624, 355735), (780, 284588), (1040, 213441), (1560, 142294), (3120, 71147)]