258921540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3517}}^1$

素因数の和:3941

約数の個数: 72

約数和(自身を含む): 787539480

約数和(自身を除く): 528617940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2454, 3517, 3681, 4090, 4908, 6135, 7034, 7362, 8180, 10551, 12270, 14068, 14724, 17585, 18405, 21102, 24540, 31653, 35170, 36810, 42204, 52755, 63306, 70340, 73620, 105510, 126612, 158265, 211020, 316530, 633060, 1438453, 2876906, 4315359, 5753812, 7192265, 8630718, 12946077, 14384530, 17261436, 21576795, 25892154, 28769060, 43153590, 51784308, 64730385, 86307180, 129460770, 258921540]

約数ペア:

[(1, 258921540), (2, 129460770), (3, 86307180), (4, 64730385), (5, 51784308), (6, 43153590), (9, 28769060), (10, 25892154), (12, 21576795), (15, 17261436), (18, 14384530), (20, 12946077), (30, 8630718), (36, 7192265), (45, 5753812), (60, 4315359), (90, 2876906), (180, 1438453), (409, 633060), (818, 316530), (1227, 211020), (1636, 158265), (2045, 126612), (2454, 105510), (3517, 73620), (3681, 70340), (4090, 63306), (4908, 52755), (6135, 42204), (7034, 36810), (7362, 35170), (8180, 31653), (10551, 24540), (12270, 21102), (14068, 18405), (14724, 17585)]