178478664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 128

約数和(自身を含む): 557383680

約数和(自身を除く): 378905016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 426, 497, 546, 568, 728, 852, 923, 994, 1092, 1151, 1491, 1704, 1846, 1988, 2184, 2302, 2769, 2982, 3453, 3692, 3976, 4604, 5538, 5964, 6461, 6906, 7384, 8057, 9208, 11076, 11928, 12922, 13812, 14963, 16114, 19383, 22152, 24171, 25844, 27624, 29926, 32228, 38766, 44889, 48342, 51688, 59852, 64456, 77532, 81721, 89778, 96684, 104741, 119704, 155064, 163442, 179556, 193368, 209482, 245163, 314223, 326884, 359112, 418964, 490326, 572047, 628446, 653768, 837928, 980652, 1062373, 1144094, 1256892, 1716141, 1961304, 2124746, 2288188, 2513784, 3187119, 3432282, 4249492, 4576376, 6374238, 6864564, 7436611, 8498984, 12748476, 13729128, 14873222, 22309833, 25496952, 29746444, 44619666, 59492888, 89239332, 178478664]

約数ペア:

[(1, 178478664), (2, 89239332), (3, 59492888), (4, 44619666), (6, 29746444), (7, 25496952), (8, 22309833), (12, 14873222), (13, 13729128), (14, 12748476), (21, 8498984), (24, 7436611), (26, 6864564), (28, 6374238), (39, 4576376), (42, 4249492), (52, 3432282), (56, 3187119), (71, 2513784), (78, 2288188), (84, 2124746), (91, 1961304), (104, 1716141), (142, 1256892), (156, 1144094), (168, 1062373), (182, 980652), (213, 837928), (273, 653768), (284, 628446), (312, 572047), (364, 490326), (426, 418964), (497, 359112), (546, 326884), (568, 314223), (728, 245163), (852, 209482), (923, 193368), (994, 179556), (1092, 163442), (1151, 155064), (1491, 119704), (1704, 104741), (1846, 96684), (1988, 89778), (2184, 81721), (2302, 77532), (2769, 64456), (2982, 59852), (3453, 51688), (3692, 48342), (3976, 44889), (4604, 38766), (5538, 32228), (5964, 29926), (6461, 27624), (6906, 25844), (7384, 24171), (8057, 22152), (9208, 19383), (11076, 16114), (11928, 14963), (12922, 13812)]