40248840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 129024000

約数和(自身を除く): 88775160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 139, 152, 190, 228, 254, 278, 285, 380, 381, 417, 456, 508, 556, 570, 635, 695, 760, 762, 834, 1016, 1112, 1140, 1270, 1390, 1524, 1668, 1905, 2085, 2280, 2413, 2540, 2641, 2780, 3048, 3336, 3810, 4170, 4826, 5080, 5282, 5560, 7239, 7620, 7923, 8340, 9652, 10564, 12065, 13205, 14478, 15240, 15846, 16680, 17653, 19304, 21128, 24130, 26410, 28956, 31692, 35306, 36195, 39615, 48260, 52820, 52959, 57912, 63384, 70612, 72390, 79230, 88265, 96520, 105640, 105918, 141224, 144780, 158460, 176530, 211836, 264795, 289560, 316920, 335407, 353060, 423672, 529590, 670814, 706120, 1006221, 1059180, 1341628, 1677035, 2012442, 2118360, 2683256, 3354070, 4024884, 5031105, 6708140, 8049768, 10062210, 13416280, 20124420, 40248840]

約数ペア:

[(1, 40248840), (2, 20124420), (3, 13416280), (4, 10062210), (5, 8049768), (6, 6708140), (8, 5031105), (10, 4024884), (12, 3354070), (15, 2683256), (19, 2118360), (20, 2012442), (24, 1677035), (30, 1341628), (38, 1059180), (40, 1006221), (57, 706120), (60, 670814), (76, 529590), (95, 423672), (114, 353060), (120, 335407), (127, 316920), (139, 289560), (152, 264795), (190, 211836), (228, 176530), (254, 158460), (278, 144780), (285, 141224), (380, 105918), (381, 105640), (417, 96520), (456, 88265), (508, 79230), (556, 72390), (570, 70612), (635, 63384), (695, 57912), (760, 52959), (762, 52820), (834, 48260), (1016, 39615), (1112, 36195), (1140, 35306), (1270, 31692), (1390, 28956), (1524, 26410), (1668, 24130), (1905, 21128), (2085, 19304), (2280, 17653), (2413, 16680), (2540, 15846), (2641, 15240), (2780, 14478), (3048, 13205), (3336, 12065), (3810, 10564), (4170, 9652), (4826, 8340), (5080, 7923), (5282, 7620), (5560, 7239)]