72235240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 135124760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 376, 385, 440, 470, 499, 517, 616, 658, 770, 940, 998, 1034, 1316, 1540, 1645, 1880, 1996, 2068, 2495, 2585, 2632, 3080, 3290, 3493, 3619, 3992, 4136, 4990, 5170, 5489, 6580, 6986, 7238, 9980, 10340, 10978, 13160, 13972, 14476, 17465, 18095, 19960, 20680, 21956, 23453, 27445, 27944, 28952, 34930, 36190, 38423, 43912, 46906, 54890, 69860, 72380, 76846, 93812, 109780, 117265, 139720, 144760, 153692, 164171, 187624, 192115, 219560, 234530, 257983, 307384, 328342, 384230, 469060, 515966, 656684, 768460, 820855, 938120, 1031932, 1289915, 1313368, 1536920, 1641710, 1805881, 2063864, 2579830, 3283420, 3611762, 5159660, 6566840, 7223524, 9029405, 10319320, 14447048, 18058810, 36117620, 72235240]

約数ペア:

[(1, 72235240), (2, 36117620), (4, 18058810), (5, 14447048), (7, 10319320), (8, 9029405), (10, 7223524), (11, 6566840), (14, 5159660), (20, 3611762), (22, 3283420), (28, 2579830), (35, 2063864), (40, 1805881), (44, 1641710), (47, 1536920), (55, 1313368), (56, 1289915), (70, 1031932), (77, 938120), (88, 820855), (94, 768460), (110, 656684), (140, 515966), (154, 469060), (188, 384230), (220, 328342), (235, 307384), (280, 257983), (308, 234530), (329, 219560), (376, 192115), (385, 187624), (440, 164171), (470, 153692), (499, 144760), (517, 139720), (616, 117265), (658, 109780), (770, 93812), (940, 76846), (998, 72380), (1034, 69860), (1316, 54890), (1540, 46906), (1645, 43912), (1880, 38423), (1996, 36190), (2068, 34930), (2495, 28952), (2585, 27944), (2632, 27445), (3080, 23453), (3290, 21956), (3493, 20680), (3619, 19960), (3992, 18095), (4136, 17465), (4990, 14476), (5170, 13972), (5489, 13160), (6580, 10978), (6986, 10340), (7238, 9980)]