77919720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1049}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 234360000

約数和(自身を除く): 156440280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 619, 1049, 1238, 1857, 2098, 2476, 3095, 3147, 3714, 4196, 4952, 5245, 6190, 6294, 7428, 8392, 9285, 10490, 12380, 12588, 14856, 15735, 18570, 20980, 24760, 25176, 31470, 37140, 41960, 62940, 74280, 125880, 649331, 1298662, 1947993, 2597324, 3246655, 3895986, 5194648, 6493310, 7791972, 9739965, 12986620, 15583944, 19479930, 25973240, 38959860, 77919720]

約数ペア:

[(1, 77919720), (2, 38959860), (3, 25973240), (4, 19479930), (5, 15583944), (6, 12986620), (8, 9739965), (10, 7791972), (12, 6493310), (15, 5194648), (20, 3895986), (24, 3246655), (30, 2597324), (40, 1947993), (60, 1298662), (120, 649331), (619, 125880), (1049, 74280), (1238, 62940), (1857, 41960), (2098, 37140), (2476, 31470), (3095, 25176), (3147, 24760), (3714, 20980), (4196, 18570), (4952, 15735), (5245, 14856), (6190, 12588), (6294, 12380), (7428, 10490), (8392, 9285)]