2078289900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{256579}}^1$

素因数の和:256605

約数の個数: 90

約数和(自身を含む): 6737021060

約数和(自身を除く): 4658731160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 256579, 513158, 769737, 1026316, 1282895, 1539474, 2309211, 2565790, 3078948, 3848685, 4618422, 5131580, 6414475, 6927633, 7697370, 9236844, 11546055, 12828950, 13855266, 15394740, 19243425, 20782899, 23092110, 25657900, 27710532, 34638165, 38486850, 41565798, 46184220, 57730275, 69276330, 76973700, 83131596, 103914495, 115460550, 138552660, 173190825, 207828990, 230921100, 346381650, 415657980, 519572475, 692763300, 1039144950, 2078289900]

約数ペア:

[(1, 2078289900), (2, 1039144950), (3, 692763300), (4, 519572475), (5, 415657980), (6, 346381650), (9, 230921100), (10, 207828990), (12, 173190825), (15, 138552660), (18, 115460550), (20, 103914495), (25, 83131596), (27, 76973700), (30, 69276330), (36, 57730275), (45, 46184220), (50, 41565798), (54, 38486850), (60, 34638165), (75, 27710532), (81, 25657900), (90, 23092110), (100, 20782899), (108, 19243425), (135, 15394740), (150, 13855266), (162, 12828950), (180, 11546055), (225, 9236844), (270, 7697370), (300, 6927633), (324, 6414475), (405, 5131580), (450, 4618422), (540, 3848685), (675, 3078948), (810, 2565790), (900, 2309211), (1350, 1539474), (1620, 1282895), (2025, 1026316), (2700, 769737), (4050, 513158), (8100, 256579)]