219911520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14779}}^1$

素因数の和:14828

約数の個数: 96

約数和(自身を含む): 715115520

約数和(自身を除く): 495204000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14779, 14880, 29558, 44337, 59116, 73895, 88674, 118232, 147790, 177348, 221685, 236464, 295580, 354696, 443370, 458149, 472928, 591160, 709392, 886740, 916298, 1182320, 1374447, 1418784, 1773480, 1832596, 2290745, 2364640, 2748894, 3546960, 3665192, 4581490, 5497788, 6872235, 7093920, 7330384, 9162980, 10995576, 13744470, 14660768, 18325960, 21991152, 27488940, 36651920, 43982304, 54977880, 73303840, 109955760, 219911520]

約数ペア:

[(1, 219911520), (2, 109955760), (3, 73303840), (4, 54977880), (5, 43982304), (6, 36651920), (8, 27488940), (10, 21991152), (12, 18325960), (15, 14660768), (16, 13744470), (20, 10995576), (24, 9162980), (30, 7330384), (31, 7093920), (32, 6872235), (40, 5497788), (48, 4581490), (60, 3665192), (62, 3546960), (80, 2748894), (93, 2364640), (96, 2290745), (120, 1832596), (124, 1773480), (155, 1418784), (160, 1374447), (186, 1182320), (240, 916298), (248, 886740), (310, 709392), (372, 591160), (465, 472928), (480, 458149), (496, 443370), (620, 354696), (744, 295580), (930, 236464), (992, 221685), (1240, 177348), (1488, 147790), (1860, 118232), (2480, 88674), (2976, 73895), (3720, 59116), (4960, 44337), (7440, 29558), (14779, 14880)]