90780900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 303313920

約数和(自身を除く): 212533020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 139, 140, 150, 175, 210, 278, 300, 311, 350, 417, 420, 525, 556, 622, 695, 700, 834, 933, 973, 1050, 1244, 1390, 1555, 1668, 1866, 1946, 2085, 2100, 2177, 2780, 2919, 3110, 3475, 3732, 3892, 4170, 4354, 4665, 4865, 5838, 6220, 6531, 6950, 7775, 8340, 8708, 9330, 9730, 10425, 10885, 11676, 13062, 13900, 14595, 15550, 18660, 19460, 20850, 21770, 23325, 24325, 26124, 29190, 31100, 32655, 41700, 43229, 43540, 46650, 48650, 54425, 58380, 65310, 72975, 86458, 93300, 97300, 108850, 129687, 130620, 145950, 163275, 172916, 216145, 217700, 259374, 291900, 302603, 326550, 432290, 518748, 605206, 648435, 653100, 864580, 907809, 1080725, 1210412, 1296870, 1513015, 1815618, 2161450, 2593740, 3026030, 3242175, 3631236, 4322900, 4539045, 6052060, 6484350, 7565075, 9078090, 12968700, 15130150, 18156180, 22695225, 30260300, 45390450, 90780900]

約数ペア:

[(1, 90780900), (2, 45390450), (3, 30260300), (4, 22695225), (5, 18156180), (6, 15130150), (7, 12968700), (10, 9078090), (12, 7565075), (14, 6484350), (15, 6052060), (20, 4539045), (21, 4322900), (25, 3631236), (28, 3242175), (30, 3026030), (35, 2593740), (42, 2161450), (50, 1815618), (60, 1513015), (70, 1296870), (75, 1210412), (84, 1080725), (100, 907809), (105, 864580), (139, 653100), (140, 648435), (150, 605206), (175, 518748), (210, 432290), (278, 326550), (300, 302603), (311, 291900), (350, 259374), (417, 217700), (420, 216145), (525, 172916), (556, 163275), (622, 145950), (695, 130620), (700, 129687), (834, 108850), (933, 97300), (973, 93300), (1050, 86458), (1244, 72975), (1390, 65310), (1555, 58380), (1668, 54425), (1866, 48650), (1946, 46650), (2085, 43540), (2100, 43229), (2177, 41700), (2780, 32655), (2919, 31100), (3110, 29190), (3475, 26124), (3732, 24325), (3892, 23325), (4170, 21770), (4354, 20850), (4665, 19460), (4865, 18660), (5838, 15550), (6220, 14595), (6531, 13900), (6950, 13062), (7775, 11676), (8340, 10885), (8708, 10425), (9330, 9730)]