80374840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 146062280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 311, 355, 364, 455, 497, 520, 568, 622, 710, 728, 910, 923, 994, 1244, 1420, 1555, 1820, 1846, 1988, 2177, 2485, 2488, 2840, 3110, 3640, 3692, 3976, 4043, 4354, 4615, 4970, 6220, 6461, 7384, 8086, 8708, 9230, 9940, 10885, 12440, 12922, 16172, 17416, 18460, 19880, 20215, 21770, 22081, 25844, 28301, 32305, 32344, 36920, 40430, 43540, 44162, 51688, 56602, 64610, 80860, 87080, 88324, 110405, 113204, 129220, 141505, 154567, 161720, 176648, 220810, 226408, 258440, 283010, 287053, 309134, 441620, 566020, 574106, 618268, 772835, 883240, 1132040, 1148212, 1236536, 1435265, 1545670, 2009371, 2296424, 2870530, 3091340, 4018742, 5741060, 6182680, 8037484, 10046855, 11482120, 16074968, 20093710, 40187420, 80374840]

約数ペア:

[(1, 80374840), (2, 40187420), (4, 20093710), (5, 16074968), (7, 11482120), (8, 10046855), (10, 8037484), (13, 6182680), (14, 5741060), (20, 4018742), (26, 3091340), (28, 2870530), (35, 2296424), (40, 2009371), (52, 1545670), (56, 1435265), (65, 1236536), (70, 1148212), (71, 1132040), (91, 883240), (104, 772835), (130, 618268), (140, 574106), (142, 566020), (182, 441620), (260, 309134), (280, 287053), (284, 283010), (311, 258440), (355, 226408), (364, 220810), (455, 176648), (497, 161720), (520, 154567), (568, 141505), (622, 129220), (710, 113204), (728, 110405), (910, 88324), (923, 87080), (994, 80860), (1244, 64610), (1420, 56602), (1555, 51688), (1820, 44162), (1846, 43540), (1988, 40430), (2177, 36920), (2485, 32344), (2488, 32305), (2840, 28301), (3110, 25844), (3640, 22081), (3692, 21770), (3976, 20215), (4043, 19880), (4354, 18460), (4615, 17416), (4970, 16172), (6220, 12922), (6461, 12440), (7384, 10885), (8086, 9940), (8708, 9230)]