78871560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1607}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 237340800

約数和(自身を除く): 158469240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1607, 1636, 2045, 2454, 3214, 3272, 4090, 4821, 4908, 6135, 6428, 8035, 8180, 9642, 9816, 12270, 12856, 16070, 16360, 19284, 24105, 24540, 32140, 38568, 48210, 49080, 64280, 96420, 192840, 657263, 1314526, 1971789, 2629052, 3286315, 3943578, 5258104, 6572630, 7887156, 9858945, 13145260, 15774312, 19717890, 26290520, 39435780, 78871560]

約数ペア:

[(1, 78871560), (2, 39435780), (3, 26290520), (4, 19717890), (5, 15774312), (6, 13145260), (8, 9858945), (10, 7887156), (12, 6572630), (15, 5258104), (20, 3943578), (24, 3286315), (30, 2629052), (40, 1971789), (60, 1314526), (120, 657263), (409, 192840), (818, 96420), (1227, 64280), (1607, 49080), (1636, 48210), (2045, 38568), (2454, 32140), (3214, 24540), (3272, 24105), (4090, 19284), (4821, 16360), (4908, 16070), (6135, 12856), (6428, 12270), (8035, 9816), (8180, 9642)]