641027640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2713}}^1$

素因数の和:2917

約数の個数: 128

約数和(自身を含む): 2110406400

約数和(自身を除く): 1469378760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 179, 220, 264, 330, 358, 440, 537, 660, 716, 895, 1074, 1320, 1432, 1790, 1969, 2148, 2685, 2713, 3580, 3938, 4296, 5370, 5426, 5907, 7160, 7876, 8139, 9845, 10740, 10852, 11814, 13565, 15752, 16278, 19690, 21480, 21704, 23628, 27130, 29535, 29843, 32556, 39380, 40695, 47256, 54260, 59070, 59686, 65112, 78760, 81390, 89529, 108520, 118140, 119372, 149215, 162780, 179058, 236280, 238744, 298430, 325560, 358116, 447645, 485627, 596860, 716232, 895290, 971254, 1193720, 1456881, 1790580, 1942508, 2428135, 2913762, 3581160, 3885016, 4856270, 5341897, 5827524, 7284405, 9712540, 10683794, 11655048, 14568810, 16025691, 19425080, 21367588, 26709485, 29137620, 32051382, 42735176, 53418970, 58275240, 64102764, 80128455, 106837940, 128205528, 160256910, 213675880, 320513820, 641027640]

約数ペア:

[(1, 641027640), (2, 320513820), (3, 213675880), (4, 160256910), (5, 128205528), (6, 106837940), (8, 80128455), (10, 64102764), (11, 58275240), (12, 53418970), (15, 42735176), (20, 32051382), (22, 29137620), (24, 26709485), (30, 21367588), (33, 19425080), (40, 16025691), (44, 14568810), (55, 11655048), (60, 10683794), (66, 9712540), (88, 7284405), (110, 5827524), (120, 5341897), (132, 4856270), (165, 3885016), (179, 3581160), (220, 2913762), (264, 2428135), (330, 1942508), (358, 1790580), (440, 1456881), (537, 1193720), (660, 971254), (716, 895290), (895, 716232), (1074, 596860), (1320, 485627), (1432, 447645), (1790, 358116), (1969, 325560), (2148, 298430), (2685, 238744), (2713, 236280), (3580, 179058), (3938, 162780), (4296, 149215), (5370, 119372), (5426, 118140), (5907, 108520), (7160, 89529), (7876, 81390), (8139, 78760), (9845, 65112), (10740, 59686), (10852, 59070), (11814, 54260), (13565, 47256), (15752, 40695), (16278, 39380), (19690, 32556), (21480, 29843), (21704, 29535), (23628, 27130)]