27748980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2447}}^1$

素因数の和:2475

約数の個数: 120

約数和(自身を含む): 99525888

約数和(自身を除く): 71776908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2447, 2835, 3780, 4894, 5670, 7341, 9788, 11340, 12235, 14682, 17129, 22023, 24470, 29364, 34258, 36705, 44046, 48940, 51387, 66069, 68516, 73410, 85645, 88092, 102774, 110115, 132138, 146820, 154161, 171290, 198207, 205548, 220230, 256935, 264276, 308322, 330345, 342580, 396414, 440460, 462483, 513870, 616644, 660690, 770805, 792828, 924966, 991035, 1027740, 1321380, 1387449, 1541610, 1849932, 1982070, 2312415, 2774898, 3083220, 3964140, 4624830, 5549796, 6937245, 9249660, 13874490, 27748980]

約数ペア:

[(1, 27748980), (2, 13874490), (3, 9249660), (4, 6937245), (5, 5549796), (6, 4624830), (7, 3964140), (9, 3083220), (10, 2774898), (12, 2312415), (14, 1982070), (15, 1849932), (18, 1541610), (20, 1387449), (21, 1321380), (27, 1027740), (28, 991035), (30, 924966), (35, 792828), (36, 770805), (42, 660690), (45, 616644), (54, 513870), (60, 462483), (63, 440460), (70, 396414), (81, 342580), (84, 330345), (90, 308322), (105, 264276), (108, 256935), (126, 220230), (135, 205548), (140, 198207), (162, 171290), (180, 154161), (189, 146820), (210, 132138), (252, 110115), (270, 102774), (315, 88092), (324, 85645), (378, 73410), (405, 68516), (420, 66069), (540, 51387), (567, 48940), (630, 44046), (756, 36705), (810, 34258), (945, 29364), (1134, 24470), (1260, 22023), (1620, 17129), (1890, 14682), (2268, 12235), (2447, 11340), (2835, 9788), (3780, 7341), (4894, 5670)]