40021680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1619}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 125349120

約数和(自身を除く): 85327440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1619, 1648, 2060, 2472, 3090, 3238, 4120, 4857, 4944, 6180, 6476, 8095, 8240, 9714, 12360, 12952, 16190, 19428, 24285, 24720, 25904, 32380, 38856, 48570, 64760, 77712, 97140, 129520, 166757, 194280, 333514, 388560, 500271, 667028, 833785, 1000542, 1334056, 1667570, 2001084, 2501355, 2668112, 3335140, 4002168, 5002710, 6670280, 8004336, 10005420, 13340560, 20010840, 40021680]

約数ペア:

[(1, 40021680), (2, 20010840), (3, 13340560), (4, 10005420), (5, 8004336), (6, 6670280), (8, 5002710), (10, 4002168), (12, 3335140), (15, 2668112), (16, 2501355), (20, 2001084), (24, 1667570), (30, 1334056), (40, 1000542), (48, 833785), (60, 667028), (80, 500271), (103, 388560), (120, 333514), (206, 194280), (240, 166757), (309, 129520), (412, 97140), (515, 77712), (618, 64760), (824, 48570), (1030, 38856), (1236, 32380), (1545, 25904), (1619, 24720), (1648, 24285), (2060, 19428), (2472, 16190), (3090, 12952), (3238, 12360), (4120, 9714), (4857, 8240), (4944, 8095), (6180, 6476)]