245628180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{9283}}^1$

素因数の和:9315

約数の個数: 144

約数和(自身を含む): 889035840

約数和(自身を除く): 643407660

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, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 9283, 13230, 18566, 26460, 27849, 37132, 46415, 55698, 64981, 83547, 92830, 111396, 129962, 139245, 167094, 185660, 194943, 250641, 259924, 278490, 324905, 334188, 389886, 417735, 454867, 501282, 556980, 584829, 649810, 779772, 835470, 909734, 974715, 1002564, 1169658, 1253205, 1299620, 1364601, 1670940, 1754487, 1819468, 1949430, 2274335, 2339316, 2506410, 2729202, 2924145, 3508974, 3898860, 4093803, 4548670, 5012820, 5458404, 5848290, 6823005, 7017948, 8187606, 8772435, 9097340, 11696580, 12281409, 13646010, 16375212, 17544870, 20469015, 24562818, 27292020, 35089740, 40938030, 49125636, 61407045, 81876060, 122814090, 245628180]

約数ペア:

[(1, 245628180), (2, 122814090), (3, 81876060), (4, 61407045), (5, 49125636), (6, 40938030), (7, 35089740), (9, 27292020), (10, 24562818), (12, 20469015), (14, 17544870), (15, 16375212), (18, 13646010), (20, 12281409), (21, 11696580), (27, 9097340), (28, 8772435), (30, 8187606), (35, 7017948), (36, 6823005), (42, 5848290), (45, 5458404), (49, 5012820), (54, 4548670), (60, 4093803), (63, 3898860), (70, 3508974), (84, 2924145), (90, 2729202), (98, 2506410), (105, 2339316), (108, 2274335), (126, 1949430), (135, 1819468), (140, 1754487), (147, 1670940), (180, 1364601), (189, 1299620), (196, 1253205), (210, 1169658), (245, 1002564), (252, 974715), (270, 909734), (294, 835470), (315, 779772), (378, 649810), (420, 584829), (441, 556980), (490, 501282), (540, 454867), (588, 417735), (630, 389886), (735, 334188), (756, 324905), (882, 278490), (945, 259924), (980, 250641), (1260, 194943), (1323, 185660), (1470, 167094), (1764, 139245), (1890, 129962), (2205, 111396), (2646, 92830), (2940, 83547), (3780, 64981), (4410, 55698), (5292, 46415), (6615, 37132), (8820, 27849), (9283, 26460), (13230, 18566)]