205884120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 668989440

約数和(自身を除く): 463105320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 271, 312, 390, 487, 520, 542, 780, 813, 974, 1084, 1355, 1461, 1560, 1626, 1948, 2168, 2435, 2710, 2922, 3252, 3523, 3896, 4065, 4870, 5420, 5844, 6331, 6504, 7046, 7305, 8130, 9740, 10569, 10840, 11688, 12662, 14092, 14610, 16260, 17615, 18993, 19480, 21138, 25324, 28184, 29220, 31655, 32520, 35230, 37986, 42276, 50648, 52845, 58440, 63310, 70460, 75972, 84552, 94965, 105690, 126620, 131977, 140920, 151944, 189930, 211380, 253240, 263954, 379860, 395931, 422760, 527908, 659885, 759720, 791862, 1055816, 1319770, 1583724, 1715701, 1979655, 2639540, 3167448, 3431402, 3959310, 5147103, 5279080, 6862804, 7918620, 8578505, 10294206, 13725608, 15837240, 17157010, 20588412, 25735515, 34314020, 41176824, 51471030, 68628040, 102942060, 205884120]

約数ペア:

[(1, 205884120), (2, 102942060), (3, 68628040), (4, 51471030), (5, 41176824), (6, 34314020), (8, 25735515), (10, 20588412), (12, 17157010), (13, 15837240), (15, 13725608), (20, 10294206), (24, 8578505), (26, 7918620), (30, 6862804), (39, 5279080), (40, 5147103), (52, 3959310), (60, 3431402), (65, 3167448), (78, 2639540), (104, 1979655), (120, 1715701), (130, 1583724), (156, 1319770), (195, 1055816), (260, 791862), (271, 759720), (312, 659885), (390, 527908), (487, 422760), (520, 395931), (542, 379860), (780, 263954), (813, 253240), (974, 211380), (1084, 189930), (1355, 151944), (1461, 140920), (1560, 131977), (1626, 126620), (1948, 105690), (2168, 94965), (2435, 84552), (2710, 75972), (2922, 70460), (3252, 63310), (3523, 58440), (3896, 52845), (4065, 50648), (4870, 42276), (5420, 37986), (5844, 35230), (6331, 32520), (6504, 31655), (7046, 29220), (7305, 28184), (8130, 25324), (9740, 21138), (10569, 19480), (10840, 18993), (11688, 17615), (12662, 16260), (14092, 14610)]