661374720

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{6379}}^1$

素因数の和:6412

約数の個数: 180

約数和(自身を含む): 2366890680

約数和(自身を除く): 1705515960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6379, 6480, 6912, 8640, 10368, 11520, 12758, 12960, 17280, 19137, 20736, 25516, 25920, 31895, 34560, 38274, 51032, 51840, 57411, 63790, 76548, 95685, 102064, 103680, 114822, 127580, 153096, 172233, 191370, 204128, 229644, 255160, 287055, 306192, 344466, 382740, 408256, 459288, 510320, 516699, 574110, 612384, 688932, 765480, 816512, 861165, 918576, 1020640, 1033398, 1148220, 1224768, 1377864, 1530960, 1633024, 1722330, 1837152, 2041280, 2066796, 2296440, 2449536, 2583495, 2755728, 3061920, 3444660, 3674304, 4082560, 4133592, 4592880, 4899072, 5166990, 5511456, 6123840, 6889320, 7348608, 8165120, 8267184, 9185760, 10333980, 11022912, 12247680, 13778640, 14697216, 16534368, 18371520, 20667960, 22045824, 24495360, 27557280, 33068736, 36743040, 41335920, 44091648, 55114560, 66137472, 73486080, 82671840, 110229120, 132274944, 165343680, 220458240, 330687360, 661374720]

約数ペア:

[(1, 661374720), (2, 330687360), (3, 220458240), (4, 165343680), (5, 132274944), (6, 110229120), (8, 82671840), (9, 73486080), (10, 66137472), (12, 55114560), (15, 44091648), (16, 41335920), (18, 36743040), (20, 33068736), (24, 27557280), (27, 24495360), (30, 22045824), (32, 20667960), (36, 18371520), (40, 16534368), (45, 14697216), (48, 13778640), (54, 12247680), (60, 11022912), (64, 10333980), (72, 9185760), (80, 8267184), (81, 8165120), (90, 7348608), (96, 6889320), (108, 6123840), (120, 5511456), (128, 5166990), (135, 4899072), (144, 4592880), (160, 4133592), (162, 4082560), (180, 3674304), (192, 3444660), (216, 3061920), (240, 2755728), (256, 2583495), (270, 2449536), (288, 2296440), (320, 2066796), (324, 2041280), (360, 1837152), (384, 1722330), (405, 1633024), (432, 1530960), (480, 1377864), (540, 1224768), (576, 1148220), (640, 1033398), (648, 1020640), (720, 918576), (768, 861165), (810, 816512), (864, 765480), (960, 688932), (1080, 612384), (1152, 574110), (1280, 516699), (1296, 510320), (1440, 459288), (1620, 408256), (1728, 382740), (1920, 344466), (2160, 306192), (2304, 287055), (2592, 255160), (2880, 229644), (3240, 204128), (3456, 191370), (3840, 172233), (4320, 153096), (5184, 127580), (5760, 114822), (6379, 103680), (6480, 102064), (6912, 95685), (8640, 76548), (10368, 63790), (11520, 57411), (12758, 51840), (12960, 51032), (17280, 38274), (19137, 34560), (20736, 31895), (25516, 25920)]