8181960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 16977720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 1663, 2460, 3326, 4920, 4989, 6652, 8315, 9978, 13304, 16630, 19956, 24945, 33260, 39912, 49890, 66520, 68183, 99780, 136366, 199560, 204549, 272732, 340915, 409098, 545464, 681830, 818196, 1022745, 1363660, 1636392, 2045490, 2727320, 4090980, 8181960]

約数ペア:

[(1, 8181960), (2, 4090980), (3, 2727320), (4, 2045490), (5, 1636392), (6, 1363660), (8, 1022745), (10, 818196), (12, 681830), (15, 545464), (20, 409098), (24, 340915), (30, 272732), (40, 204549), (41, 199560), (60, 136366), (82, 99780), (120, 68183), (123, 66520), (164, 49890), (205, 39912), (246, 33260), (328, 24945), (410, 19956), (492, 16630), (615, 13304), (820, 9978), (984, 8315), (1230, 6652), (1640, 4989), (1663, 4920), (2460, 3326)]