281805660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1664

約数の個数: 144

約数和(自身を含む): 913296384

約数和(自身を除く): 631490724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 516, 645, 690, 774, 828, 860, 989, 1035, 1290, 1380, 1548, 1583, 1935, 1978, 2070, 2580, 2967, 3166, 3870, 3956, 4140, 4749, 4945, 5934, 6332, 7740, 7915, 8901, 9498, 9890, 11868, 14247, 14835, 15830, 17802, 18996, 19780, 23745, 28494, 29670, 31660, 35604, 36409, 44505, 47490, 56988, 59340, 68069, 71235, 72818, 89010, 94980, 109227, 136138, 142470, 145636, 178020, 182045, 204207, 218454, 272276, 284940, 327681, 340345, 364090, 408414, 436908, 546135, 612621, 655362, 680690, 728180, 816828, 1021035, 1092270, 1225242, 1310724, 1361380, 1565587, 1638405, 2042070, 2184540, 2450484, 3063105, 3131174, 3276810, 4084140, 4696761, 6126210, 6262348, 6553620, 7827935, 9393522, 12252420, 14090283, 15655870, 18787044, 23483805, 28180566, 31311740, 46967610, 56361132, 70451415, 93935220, 140902830, 281805660]

約数ペア:

[(1, 281805660), (2, 140902830), (3, 93935220), (4, 70451415), (5, 56361132), (6, 46967610), (9, 31311740), (10, 28180566), (12, 23483805), (15, 18787044), (18, 15655870), (20, 14090283), (23, 12252420), (30, 9393522), (36, 7827935), (43, 6553620), (45, 6262348), (46, 6126210), (60, 4696761), (69, 4084140), (86, 3276810), (90, 3131174), (92, 3063105), (115, 2450484), (129, 2184540), (138, 2042070), (172, 1638405), (180, 1565587), (207, 1361380), (215, 1310724), (230, 1225242), (258, 1092270), (276, 1021035), (345, 816828), (387, 728180), (414, 680690), (430, 655362), (460, 612621), (516, 546135), (645, 436908), (690, 408414), (774, 364090), (828, 340345), (860, 327681), (989, 284940), (1035, 272276), (1290, 218454), (1380, 204207), (1548, 182045), (1583, 178020), (1935, 145636), (1978, 142470), (2070, 136138), (2580, 109227), (2967, 94980), (3166, 89010), (3870, 72818), (3956, 71235), (4140, 68069), (4749, 59340), (4945, 56988), (5934, 47490), (6332, 44505), (7740, 36409), (7915, 35604), (8901, 31660), (9498, 29670), (9890, 28494), (11868, 23745), (14247, 19780), (14835, 18996), (15830, 17802)]