68921520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287173}}^1$

素因数の和:287189

約数の個数: 40

約数和(自身を含む): 213657456

約数和(自身を除く): 144735936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287173, 574346, 861519, 1148692, 1435865, 1723038, 2297384, 2871730, 3446076, 4307595, 4594768, 5743460, 6892152, 8615190, 11486920, 13784304, 17230380, 22973840, 34460760, 68921520]

約数ペア:

[(1, 68921520), (2, 34460760), (3, 22973840), (4, 17230380), (5, 13784304), (6, 11486920), (8, 8615190), (10, 6892152), (12, 5743460), (15, 4594768), (16, 4307595), (20, 3446076), (24, 2871730), (30, 2297384), (40, 1723038), (48, 1435865), (60, 1148692), (80, 861519), (120, 574346), (240, 287173)]