2178491490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{164663}}^1$

素因数の和:164693

約数の個数: 96

約数和(自身を含む): 6757810560

約数和(自身を除く): 4579319070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 13230, 164663, 329326, 493989, 823315, 987978, 1152641, 1481967, 1646630, 2305282, 2469945, 2963934, 3457923, 4445901, 4939890, 5763205, 6915846, 7409835, 8068487, 8891802, 10373769, 11526410, 14819670, 16136974, 17289615, 20747538, 22229505, 24205461, 31121307, 34579230, 40342435, 44459010, 48410922, 51868845, 62242614, 72616383, 80684870, 103737690, 121027305, 145232766, 155606535, 217849149, 242054610, 311213070, 363081915, 435698298, 726163830, 1089245745, 2178491490]

約数ペア:

[(1, 2178491490), (2, 1089245745), (3, 726163830), (5, 435698298), (6, 363081915), (7, 311213070), (9, 242054610), (10, 217849149), (14, 155606535), (15, 145232766), (18, 121027305), (21, 103737690), (27, 80684870), (30, 72616383), (35, 62242614), (42, 51868845), (45, 48410922), (49, 44459010), (54, 40342435), (63, 34579230), (70, 31121307), (90, 24205461), (98, 22229505), (105, 20747538), (126, 17289615), (135, 16136974), (147, 14819670), (189, 11526410), (210, 10373769), (245, 8891802), (270, 8068487), (294, 7409835), (315, 6915846), (378, 5763205), (441, 4939890), (490, 4445901), (630, 3457923), (735, 2963934), (882, 2469945), (945, 2305282), (1323, 1646630), (1470, 1481967), (1890, 1152641), (2205, 987978), (2646, 823315), (4410, 493989), (6615, 329326), (13230, 164663)]