74211280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 204228000

約数和(自身を除く): 130016720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 499, 520, 572, 676, 715, 845, 880, 998, 1040, 1144, 1352, 1430, 1690, 1859, 1996, 2288, 2495, 2704, 2860, 3380, 3718, 3992, 4990, 5489, 5720, 6487, 6760, 7436, 7984, 9295, 9980, 10978, 11440, 12974, 13520, 14872, 18590, 19960, 21956, 25948, 27445, 29744, 32435, 37180, 39920, 43912, 51896, 54890, 64870, 71357, 74360, 84331, 87824, 103792, 109780, 129740, 142714, 148720, 168662, 219560, 259480, 285428, 337324, 356785, 421655, 439120, 518960, 570856, 674648, 713570, 843310, 927641, 1141712, 1349296, 1427140, 1686620, 1855282, 2854280, 3373240, 3710564, 4638205, 5708560, 6746480, 7421128, 9276410, 14842256, 18552820, 37105640, 74211280]

約数ペア:

[(1, 74211280), (2, 37105640), (4, 18552820), (5, 14842256), (8, 9276410), (10, 7421128), (11, 6746480), (13, 5708560), (16, 4638205), (20, 3710564), (22, 3373240), (26, 2854280), (40, 1855282), (44, 1686620), (52, 1427140), (55, 1349296), (65, 1141712), (80, 927641), (88, 843310), (104, 713570), (110, 674648), (130, 570856), (143, 518960), (169, 439120), (176, 421655), (208, 356785), (220, 337324), (260, 285428), (286, 259480), (338, 219560), (440, 168662), (499, 148720), (520, 142714), (572, 129740), (676, 109780), (715, 103792), (845, 87824), (880, 84331), (998, 74360), (1040, 71357), (1144, 64870), (1352, 54890), (1430, 51896), (1690, 43912), (1859, 39920), (1996, 37180), (2288, 32435), (2495, 29744), (2704, 27445), (2860, 25948), (3380, 21956), (3718, 19960), (3992, 18590), (4990, 14872), (5489, 13520), (5720, 12974), (6487, 11440), (6760, 10978), (7436, 9980), (7984, 9295)]