31240920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 94180320

約数和(自身を除く): 62939400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1013, 1028, 1285, 1542, 2026, 2056, 2570, 3039, 3084, 3855, 4052, 5065, 5140, 6078, 6168, 7710, 8104, 10130, 10280, 12156, 15195, 15420, 20260, 24312, 30390, 30840, 40520, 60780, 121560, 260341, 520682, 781023, 1041364, 1301705, 1562046, 2082728, 2603410, 3124092, 3905115, 5206820, 6248184, 7810230, 10413640, 15620460, 31240920]

約数ペア:

[(1, 31240920), (2, 15620460), (3, 10413640), (4, 7810230), (5, 6248184), (6, 5206820), (8, 3905115), (10, 3124092), (12, 2603410), (15, 2082728), (20, 1562046), (24, 1301705), (30, 1041364), (40, 781023), (60, 520682), (120, 260341), (257, 121560), (514, 60780), (771, 40520), (1013, 30840), (1028, 30390), (1285, 24312), (1542, 20260), (2026, 15420), (2056, 15195), (2570, 12156), (3039, 10280), (3084, 10130), (3855, 8104), (4052, 7710), (5065, 6168), (5140, 6078)]