1988717040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{6379}}^1$

素因数の和:6831

約数の個数: 120

約数和(自身を含む): 6695248560

約数和(自身を除く): 4706531520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 433, 720, 866, 1299, 1732, 2165, 2598, 3464, 3897, 4330, 5196, 6379, 6495, 6928, 7794, 8660, 10392, 12758, 12990, 15588, 17320, 19137, 19485, 20784, 25516, 25980, 31176, 31895, 34640, 38274, 38970, 51032, 51960, 57411, 62352, 63790, 76548, 77940, 95685, 102064, 103920, 114822, 127580, 153096, 155880, 191370, 229644, 255160, 287055, 306192, 311760, 382740, 459288, 510320, 574110, 765480, 918576, 1148220, 1530960, 2296440, 2762107, 4592880, 5524214, 8286321, 11048428, 13810535, 16572642, 22096856, 24858963, 27621070, 33145284, 41431605, 44193712, 49717926, 55242140, 66290568, 82863210, 99435852, 110484280, 124294815, 132581136, 165726420, 198871704, 220968560, 248589630, 331452840, 397743408, 497179260, 662905680, 994358520, 1988717040]

約数ペア:

[(1, 1988717040), (2, 994358520), (3, 662905680), (4, 497179260), (5, 397743408), (6, 331452840), (8, 248589630), (9, 220968560), (10, 198871704), (12, 165726420), (15, 132581136), (16, 124294815), (18, 110484280), (20, 99435852), (24, 82863210), (30, 66290568), (36, 55242140), (40, 49717926), (45, 44193712), (48, 41431605), (60, 33145284), (72, 27621070), (80, 24858963), (90, 22096856), (120, 16572642), (144, 13810535), (180, 11048428), (240, 8286321), (360, 5524214), (433, 4592880), (720, 2762107), (866, 2296440), (1299, 1530960), (1732, 1148220), (2165, 918576), (2598, 765480), (3464, 574110), (3897, 510320), (4330, 459288), (5196, 382740), (6379, 311760), (6495, 306192), (6928, 287055), (7794, 255160), (8660, 229644), (10392, 191370), (12758, 155880), (12990, 153096), (15588, 127580), (17320, 114822), (19137, 103920), (19485, 102064), (20784, 95685), (25516, 77940), (25980, 76548), (31176, 63790), (31895, 62352), (34640, 57411), (38274, 51960), (38970, 51032)]