18408280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 50388480

約数和(自身を除く): 31980200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 107, 110, 115, 136, 170, 184, 187, 214, 220, 230, 253, 340, 374, 391, 428, 440, 460, 506, 535, 680, 748, 782, 856, 920, 935, 1012, 1070, 1177, 1265, 1496, 1564, 1819, 1870, 1955, 2024, 2140, 2354, 2461, 2530, 3128, 3638, 3740, 3910, 4280, 4301, 4708, 4922, 5060, 5885, 7276, 7480, 7820, 8602, 9095, 9416, 9844, 10120, 11770, 12305, 14552, 15640, 17204, 18190, 19688, 20009, 21505, 23540, 24610, 27071, 34408, 36380, 40018, 41837, 43010, 47080, 49220, 54142, 72760, 80036, 83674, 86020, 98440, 100045, 108284, 135355, 160072, 167348, 172040, 200090, 209185, 216568, 270710, 334696, 400180, 418370, 460207, 541420, 800360, 836740, 920414, 1082840, 1673480, 1840828, 2301035, 3681656, 4602070, 9204140, 18408280]

約数ペア:

[(1, 18408280), (2, 9204140), (4, 4602070), (5, 3681656), (8, 2301035), (10, 1840828), (11, 1673480), (17, 1082840), (20, 920414), (22, 836740), (23, 800360), (34, 541420), (40, 460207), (44, 418370), (46, 400180), (55, 334696), (68, 270710), (85, 216568), (88, 209185), (92, 200090), (107, 172040), (110, 167348), (115, 160072), (136, 135355), (170, 108284), (184, 100045), (187, 98440), (214, 86020), (220, 83674), (230, 80036), (253, 72760), (340, 54142), (374, 49220), (391, 47080), (428, 43010), (440, 41837), (460, 40018), (506, 36380), (535, 34408), (680, 27071), (748, 24610), (782, 23540), (856, 21505), (920, 20009), (935, 19688), (1012, 18190), (1070, 17204), (1177, 15640), (1265, 14552), (1496, 12305), (1564, 11770), (1819, 10120), (1870, 9844), (1955, 9416), (2024, 9095), (2140, 8602), (2354, 7820), (2461, 7480), (2530, 7276), (3128, 5885), (3638, 5060), (3740, 4922), (3910, 4708), (4280, 4301)]