81416520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11903}}^1$

素因数の和:11939

約数の個数: 96

約数和(自身を含む): 278553600

約数和(自身を除く): 197137080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11903, 23806, 35709, 47612, 59515, 71418, 95224, 107127, 119030, 142836, 178545, 214254, 226157, 238060, 285672, 357090, 428508, 452314, 476120, 535635, 678471, 714180, 857016, 904628, 1071270, 1130785, 1356942, 1428360, 1809256, 2035413, 2142540, 2261570, 2713884, 3392355, 4070826, 4285080, 4523140, 5427768, 6784710, 8141652, 9046280, 10177065, 13569420, 16283304, 20354130, 27138840, 40708260, 81416520]

約数ペア:

[(1, 81416520), (2, 40708260), (3, 27138840), (4, 20354130), (5, 16283304), (6, 13569420), (8, 10177065), (9, 9046280), (10, 8141652), (12, 6784710), (15, 5427768), (18, 4523140), (19, 4285080), (20, 4070826), (24, 3392355), (30, 2713884), (36, 2261570), (38, 2142540), (40, 2035413), (45, 1809256), (57, 1428360), (60, 1356942), (72, 1130785), (76, 1071270), (90, 904628), (95, 857016), (114, 714180), (120, 678471), (152, 535635), (171, 476120), (180, 452314), (190, 428508), (228, 357090), (285, 285672), (342, 238060), (360, 226157), (380, 214254), (456, 178545), (570, 142836), (684, 119030), (760, 107127), (855, 95224), (1140, 71418), (1368, 59515), (1710, 47612), (2280, 35709), (3420, 23806), (6840, 11903)]