209968440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2179}}^1$

素因数の和:2277

約数の個数: 128

約数和(自身を含む): 696902400

約数和(自身を除く): 486933960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 219, 220, 264, 292, 330, 365, 438, 440, 584, 660, 730, 803, 876, 1095, 1320, 1460, 1606, 1752, 2179, 2190, 2409, 2920, 3212, 4015, 4358, 4380, 4818, 6424, 6537, 8030, 8716, 8760, 9636, 10895, 12045, 13074, 16060, 17432, 19272, 21790, 23969, 24090, 26148, 32120, 32685, 43580, 47938, 48180, 52296, 65370, 71907, 87160, 95876, 96360, 119845, 130740, 143814, 159067, 191752, 239690, 261480, 287628, 318134, 359535, 477201, 479380, 575256, 636268, 719070, 795335, 954402, 958760, 1272536, 1438140, 1590670, 1749737, 1908804, 2386005, 2876280, 3181340, 3499474, 3817608, 4772010, 5249211, 6362680, 6998948, 8748685, 9544020, 10498422, 13997896, 17497370, 19088040, 20996844, 26246055, 34994740, 41993688, 52492110, 69989480, 104984220, 209968440]

約数ペア:

[(1, 209968440), (2, 104984220), (3, 69989480), (4, 52492110), (5, 41993688), (6, 34994740), (8, 26246055), (10, 20996844), (11, 19088040), (12, 17497370), (15, 13997896), (20, 10498422), (22, 9544020), (24, 8748685), (30, 6998948), (33, 6362680), (40, 5249211), (44, 4772010), (55, 3817608), (60, 3499474), (66, 3181340), (73, 2876280), (88, 2386005), (110, 1908804), (120, 1749737), (132, 1590670), (146, 1438140), (165, 1272536), (219, 958760), (220, 954402), (264, 795335), (292, 719070), (330, 636268), (365, 575256), (438, 479380), (440, 477201), (584, 359535), (660, 318134), (730, 287628), (803, 261480), (876, 239690), (1095, 191752), (1320, 159067), (1460, 143814), (1606, 130740), (1752, 119845), (2179, 96360), (2190, 95876), (2409, 87160), (2920, 71907), (3212, 65370), (4015, 52296), (4358, 48180), (4380, 47938), (4818, 43580), (6424, 32685), (6537, 32120), (8030, 26148), (8716, 24090), (8760, 23969), (9636, 21790), (10895, 19272), (12045, 17432), (13074, 16060)]