38013720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 119750400

約数和(自身を除く): 81736680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 53, 60, 86, 106, 120, 129, 139, 159, 172, 212, 215, 258, 265, 278, 318, 344, 417, 424, 430, 516, 530, 556, 636, 645, 695, 795, 834, 860, 1032, 1060, 1112, 1272, 1290, 1390, 1590, 1668, 1720, 2085, 2120, 2279, 2580, 2780, 3180, 3336, 4170, 4558, 5160, 5560, 5977, 6360, 6837, 7367, 8340, 9116, 11395, 11954, 13674, 14734, 16680, 17931, 18232, 22101, 22790, 23908, 27348, 29468, 29885, 34185, 35862, 36835, 44202, 45580, 47816, 54696, 58936, 59770, 68370, 71724, 73670, 88404, 89655, 91160, 110505, 119540, 136740, 143448, 147340, 176808, 179310, 221010, 239080, 273480, 294680, 316781, 358620, 442020, 633562, 717240, 884040, 950343, 1267124, 1583905, 1900686, 2534248, 3167810, 3801372, 4751715, 6335620, 7602744, 9503430, 12671240, 19006860, 38013720]

約数ペア:

[(1, 38013720), (2, 19006860), (3, 12671240), (4, 9503430), (5, 7602744), (6, 6335620), (8, 4751715), (10, 3801372), (12, 3167810), (15, 2534248), (20, 1900686), (24, 1583905), (30, 1267124), (40, 950343), (43, 884040), (53, 717240), (60, 633562), (86, 442020), (106, 358620), (120, 316781), (129, 294680), (139, 273480), (159, 239080), (172, 221010), (212, 179310), (215, 176808), (258, 147340), (265, 143448), (278, 136740), (318, 119540), (344, 110505), (417, 91160), (424, 89655), (430, 88404), (516, 73670), (530, 71724), (556, 68370), (636, 59770), (645, 58936), (695, 54696), (795, 47816), (834, 45580), (860, 44202), (1032, 36835), (1060, 35862), (1112, 34185), (1272, 29885), (1290, 29468), (1390, 27348), (1590, 23908), (1668, 22790), (1720, 22101), (2085, 18232), (2120, 17931), (2279, 16680), (2580, 14734), (2780, 13674), (3180, 11954), (3336, 11395), (4170, 9116), (4558, 8340), (5160, 7367), (5560, 6837), (5977, 6360)]