6958980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{263}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 25280640

約数和(自身を除く): 18321660

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, 263, 270, 294, 315, 378, 420, 441, 490, 526, 540, 588, 630, 735, 756, 789, 882, 945, 980, 1052, 1260, 1315, 1323, 1470, 1578, 1764, 1841, 1890, 2205, 2367, 2630, 2646, 2940, 3156, 3682, 3780, 3945, 4410, 4734, 5260, 5292, 5523, 6615, 7101, 7364, 7890, 8820, 9205, 9468, 11046, 11835, 12887, 13230, 14202, 15780, 16569, 18410, 22092, 23670, 25774, 26460, 27615, 28404, 33138, 35505, 36820, 38661, 47340, 49707, 51548, 55230, 64435, 66276, 71010, 77322, 82845, 99414, 110460, 115983, 128870, 142020, 154644, 165690, 193305, 198828, 231966, 248535, 257740, 331380, 347949, 386610, 463932, 497070, 579915, 695898, 773220, 994140, 1159830, 1391796, 1739745, 2319660, 3479490, 6958980]

約数ペア:

[(1, 6958980), (2, 3479490), (3, 2319660), (4, 1739745), (5, 1391796), (6, 1159830), (7, 994140), (9, 773220), (10, 695898), (12, 579915), (14, 497070), (15, 463932), (18, 386610), (20, 347949), (21, 331380), (27, 257740), (28, 248535), (30, 231966), (35, 198828), (36, 193305), (42, 165690), (45, 154644), (49, 142020), (54, 128870), (60, 115983), (63, 110460), (70, 99414), (84, 82845), (90, 77322), (98, 71010), (105, 66276), (108, 64435), (126, 55230), (135, 51548), (140, 49707), (147, 47340), (180, 38661), (189, 36820), (196, 35505), (210, 33138), (245, 28404), (252, 27615), (263, 26460), (270, 25774), (294, 23670), (315, 22092), (378, 18410), (420, 16569), (441, 15780), (490, 14202), (526, 13230), (540, 12887), (588, 11835), (630, 11046), (735, 9468), (756, 9205), (789, 8820), (882, 7890), (945, 7364), (980, 7101), (1052, 6615), (1260, 5523), (1315, 5292), (1323, 5260), (1470, 4734), (1578, 4410), (1764, 3945), (1841, 3780), (1890, 3682), (2205, 3156), (2367, 2940), (2630, 2646)]