221997360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71153}}^1$

素因数の和:71182

約数の個数: 80

約数和(自身を含む): 741140064

約数和(自身を除く): 519142704

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, 71153, 142306, 213459, 284612, 355765, 426918, 569224, 711530, 853836, 924989, 1067295, 1138448, 1423060, 1707672, 1849978, 2134590, 2774967, 2846120, 3415344, 3699956, 4269180, 4624945, 5549934, 5692240, 7399912, 8538360, 9249890, 11099868, 13874835, 14799824, 17076720, 18499780, 22199736, 27749670, 36999560, 44399472, 55499340, 73999120, 110998680, 221997360]

約数ペア:

[(1, 221997360), (2, 110998680), (3, 73999120), (4, 55499340), (5, 44399472), (6, 36999560), (8, 27749670), (10, 22199736), (12, 18499780), (13, 17076720), (15, 14799824), (16, 13874835), (20, 11099868), (24, 9249890), (26, 8538360), (30, 7399912), (39, 5692240), (40, 5549934), (48, 4624945), (52, 4269180), (60, 3699956), (65, 3415344), (78, 2846120), (80, 2774967), (104, 2134590), (120, 1849978), (130, 1707672), (156, 1423060), (195, 1138448), (208, 1067295), (240, 924989), (260, 853836), (312, 711530), (390, 569224), (520, 426918), (624, 355765), (780, 284612), (1040, 213459), (1560, 142306), (3120, 71153)]