15401320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 41990400

約数和(自身を除く): 26589080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 71, 85, 88, 110, 116, 136, 142, 145, 170, 187, 220, 232, 284, 290, 319, 340, 355, 374, 440, 493, 568, 580, 638, 680, 710, 748, 781, 935, 986, 1160, 1207, 1276, 1420, 1496, 1562, 1595, 1870, 1972, 2059, 2414, 2465, 2552, 2840, 3124, 3190, 3740, 3905, 3944, 4118, 4828, 4930, 5423, 6035, 6248, 6380, 7480, 7810, 8236, 9656, 9860, 10295, 10846, 12070, 12760, 13277, 15620, 16472, 19720, 20590, 21692, 22649, 24140, 26554, 27115, 31240, 35003, 41180, 43384, 45298, 48280, 53108, 54230, 66385, 70006, 82360, 90596, 106216, 108460, 113245, 132770, 140012, 175015, 181192, 216920, 226490, 265540, 280024, 350030, 385033, 452980, 531080, 700060, 770066, 905960, 1400120, 1540132, 1925165, 3080264, 3850330, 7700660, 15401320]

約数ペア:

[(1, 15401320), (2, 7700660), (4, 3850330), (5, 3080264), (8, 1925165), (10, 1540132), (11, 1400120), (17, 905960), (20, 770066), (22, 700060), (29, 531080), (34, 452980), (40, 385033), (44, 350030), (55, 280024), (58, 265540), (68, 226490), (71, 216920), (85, 181192), (88, 175015), (110, 140012), (116, 132770), (136, 113245), (142, 108460), (145, 106216), (170, 90596), (187, 82360), (220, 70006), (232, 66385), (284, 54230), (290, 53108), (319, 48280), (340, 45298), (355, 43384), (374, 41180), (440, 35003), (493, 31240), (568, 27115), (580, 26554), (638, 24140), (680, 22649), (710, 21692), (748, 20590), (781, 19720), (935, 16472), (986, 15620), (1160, 13277), (1207, 12760), (1276, 12070), (1420, 10846), (1496, 10295), (1562, 9860), (1595, 9656), (1870, 8236), (1972, 7810), (2059, 7480), (2414, 6380), (2465, 6248), (2552, 6035), (2840, 5423), (3124, 4930), (3190, 4828), (3740, 4118), (3905, 3944)]