2786040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 9266400

約数和(自身を除く): 6480360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 109, 120, 142, 180, 213, 218, 284, 327, 355, 360, 426, 436, 545, 568, 639, 654, 710, 852, 872, 981, 1065, 1090, 1278, 1308, 1420, 1635, 1704, 1962, 2130, 2180, 2556, 2616, 2840, 3195, 3270, 3924, 4260, 4360, 4905, 5112, 6390, 6540, 7739, 7848, 8520, 9810, 12780, 13080, 15478, 19620, 23217, 25560, 30956, 38695, 39240, 46434, 61912, 69651, 77390, 92868, 116085, 139302, 154780, 185736, 232170, 278604, 309560, 348255, 464340, 557208, 696510, 928680, 1393020, 2786040]

約数ペア:

[(1, 2786040), (2, 1393020), (3, 928680), (4, 696510), (5, 557208), (6, 464340), (8, 348255), (9, 309560), (10, 278604), (12, 232170), (15, 185736), (18, 154780), (20, 139302), (24, 116085), (30, 92868), (36, 77390), (40, 69651), (45, 61912), (60, 46434), (71, 39240), (72, 38695), (90, 30956), (109, 25560), (120, 23217), (142, 19620), (180, 15478), (213, 13080), (218, 12780), (284, 9810), (327, 8520), (355, 7848), (360, 7739), (426, 6540), (436, 6390), (545, 5112), (568, 4905), (639, 4360), (654, 4260), (710, 3924), (852, 3270), (872, 3195), (981, 2840), (1065, 2616), (1090, 2556), (1278, 2180), (1308, 2130), (1420, 1962), (1635, 1704)]