31745880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 103998960

約数和(自身を除く): 72253080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 163, 180, 326, 360, 489, 541, 652, 815, 978, 1082, 1304, 1467, 1623, 1630, 1956, 2164, 2445, 2705, 2934, 3246, 3260, 3912, 4328, 4869, 4890, 5410, 5868, 6492, 6520, 7335, 8115, 9738, 9780, 10820, 11736, 12984, 14670, 16230, 19476, 19560, 21640, 24345, 29340, 32460, 38952, 48690, 58680, 64920, 88183, 97380, 176366, 194760, 264549, 352732, 440915, 529098, 705464, 793647, 881830, 1058196, 1322745, 1587294, 1763660, 2116392, 2645490, 3174588, 3527320, 3968235, 5290980, 6349176, 7936470, 10581960, 15872940, 31745880]

約数ペア:

[(1, 31745880), (2, 15872940), (3, 10581960), (4, 7936470), (5, 6349176), (6, 5290980), (8, 3968235), (9, 3527320), (10, 3174588), (12, 2645490), (15, 2116392), (18, 1763660), (20, 1587294), (24, 1322745), (30, 1058196), (36, 881830), (40, 793647), (45, 705464), (60, 529098), (72, 440915), (90, 352732), (120, 264549), (163, 194760), (180, 176366), (326, 97380), (360, 88183), (489, 64920), (541, 58680), (652, 48690), (815, 38952), (978, 32460), (1082, 29340), (1304, 24345), (1467, 21640), (1623, 19560), (1630, 19476), (1956, 16230), (2164, 14670), (2445, 12984), (2705, 11736), (2934, 10820), (3246, 9780), (3260, 9738), (3912, 8115), (4328, 7335), (4869, 6520), (4890, 6492), (5410, 5868)]