64747620

素因数分解:

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

素因数の和:2479

約数の個数: 144

約数和(自身を含む): 234420480

約数和(自身を除く): 169672860

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, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2447, 2646, 2940, 3780, 4410, 4894, 5292, 6615, 7341, 8820, 9788, 12235, 13230, 14682, 17129, 22023, 24470, 26460, 29364, 34258, 36705, 44046, 48940, 51387, 66069, 68516, 73410, 85645, 88092, 102774, 110115, 119903, 132138, 146820, 154161, 171290, 205548, 220230, 239806, 256935, 264276, 308322, 330345, 342580, 359709, 440460, 462483, 479612, 513870, 599515, 616644, 660690, 719418, 770805, 924966, 1027740, 1079127, 1199030, 1321380, 1438836, 1541610, 1798545, 1849932, 2158254, 2312415, 2398060, 3083220, 3237381, 3597090, 4316508, 4624830, 5395635, 6474762, 7194180, 9249660, 10791270, 12949524, 16186905, 21582540, 32373810, 64747620]

約数ペア:

[(1, 64747620), (2, 32373810), (3, 21582540), (4, 16186905), (5, 12949524), (6, 10791270), (7, 9249660), (9, 7194180), (10, 6474762), (12, 5395635), (14, 4624830), (15, 4316508), (18, 3597090), (20, 3237381), (21, 3083220), (27, 2398060), (28, 2312415), (30, 2158254), (35, 1849932), (36, 1798545), (42, 1541610), (45, 1438836), (49, 1321380), (54, 1199030), (60, 1079127), (63, 1027740), (70, 924966), (84, 770805), (90, 719418), (98, 660690), (105, 616644), (108, 599515), (126, 513870), (135, 479612), (140, 462483), (147, 440460), (180, 359709), (189, 342580), (196, 330345), (210, 308322), (245, 264276), (252, 256935), (270, 239806), (294, 220230), (315, 205548), (378, 171290), (420, 154161), (441, 146820), (490, 132138), (540, 119903), (588, 110115), (630, 102774), (735, 88092), (756, 85645), (882, 73410), (945, 68516), (980, 66069), (1260, 51387), (1323, 48940), (1470, 44046), (1764, 36705), (1890, 34258), (2205, 29364), (2447, 26460), (2646, 24470), (2940, 22023), (3780, 17129), (4410, 14682), (4894, 13230), (5292, 12235), (6615, 9788), (7341, 8820)]