138696720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{15619}}^1$

素因数の和:15672

約数の個数: 80

約数和(自身を含む): 441608640

約数和(自身を除く): 302911920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 15619, 31238, 46857, 62476, 78095, 93714, 124952, 156190, 187428, 234285, 249904, 312380, 374856, 468570, 577903, 624760, 749712, 937140, 1155806, 1249520, 1733709, 1874280, 2311612, 2889515, 3467418, 3748560, 4623224, 5779030, 6934836, 8668545, 9246448, 11558060, 13869672, 17337090, 23116120, 27739344, 34674180, 46232240, 69348360, 138696720]

約数ペア:

[(1, 138696720), (2, 69348360), (3, 46232240), (4, 34674180), (5, 27739344), (6, 23116120), (8, 17337090), (10, 13869672), (12, 11558060), (15, 9246448), (16, 8668545), (20, 6934836), (24, 5779030), (30, 4623224), (37, 3748560), (40, 3467418), (48, 2889515), (60, 2311612), (74, 1874280), (80, 1733709), (111, 1249520), (120, 1155806), (148, 937140), (185, 749712), (222, 624760), (240, 577903), (296, 468570), (370, 374856), (444, 312380), (555, 249904), (592, 234285), (740, 187428), (888, 156190), (1110, 124952), (1480, 93714), (1776, 78095), (2220, 62476), (2960, 46857), (4440, 31238), (8880, 15619)]