86305240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 234270720

約数和(自身を除く): 147965480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 122, 124, 140, 155, 163, 217, 244, 248, 280, 305, 310, 326, 427, 434, 488, 610, 620, 652, 815, 854, 868, 1085, 1141, 1220, 1240, 1304, 1630, 1708, 1736, 1891, 2135, 2170, 2282, 2440, 3260, 3416, 3782, 4270, 4340, 4564, 5053, 5705, 6520, 7564, 8540, 8680, 9128, 9455, 9943, 10106, 11410, 13237, 15128, 17080, 18910, 19886, 20212, 22820, 25265, 26474, 35371, 37820, 39772, 40424, 45640, 49715, 50530, 52948, 66185, 69601, 70742, 75640, 79544, 99430, 101060, 105896, 132370, 139202, 141484, 176855, 198860, 202120, 264740, 278404, 282968, 308233, 348005, 353710, 397720, 529480, 556808, 616466, 696010, 707420, 1232932, 1392020, 1414840, 1541165, 2157631, 2465864, 2784040, 3082330, 4315262, 6164660, 8630524, 10788155, 12329320, 17261048, 21576310, 43152620, 86305240]

約数ペア:

[(1, 86305240), (2, 43152620), (4, 21576310), (5, 17261048), (7, 12329320), (8, 10788155), (10, 8630524), (14, 6164660), (20, 4315262), (28, 3082330), (31, 2784040), (35, 2465864), (40, 2157631), (56, 1541165), (61, 1414840), (62, 1392020), (70, 1232932), (122, 707420), (124, 696010), (140, 616466), (155, 556808), (163, 529480), (217, 397720), (244, 353710), (248, 348005), (280, 308233), (305, 282968), (310, 278404), (326, 264740), (427, 202120), (434, 198860), (488, 176855), (610, 141484), (620, 139202), (652, 132370), (815, 105896), (854, 101060), (868, 99430), (1085, 79544), (1141, 75640), (1220, 70742), (1240, 69601), (1304, 66185), (1630, 52948), (1708, 50530), (1736, 49715), (1891, 45640), (2135, 40424), (2170, 39772), (2282, 37820), (2440, 35371), (3260, 26474), (3416, 25265), (3782, 22820), (4270, 20212), (4340, 19886), (4564, 18910), (5053, 17080), (5705, 15128), (6520, 13237), (7564, 11410), (8540, 10106), (8680, 9943), (9128, 9455)]