15872940

素因数分解:

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

素因数の和:719

約数の個数: 72

約数和(自身を含む): 48532848

約数和(自身を除く): 32659908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 541, 652, 815, 978, 1082, 1467, 1623, 1630, 1956, 2164, 2445, 2705, 2934, 3246, 3260, 4869, 4890, 5410, 5868, 6492, 7335, 8115, 9738, 9780, 10820, 14670, 16230, 19476, 24345, 29340, 32460, 48690, 88183, 97380, 176366, 264549, 352732, 440915, 529098, 793647, 881830, 1058196, 1322745, 1587294, 1763660, 2645490, 3174588, 3968235, 5290980, 7936470, 15872940]

約数ペア:

[(1, 15872940), (2, 7936470), (3, 5290980), (4, 3968235), (5, 3174588), (6, 2645490), (9, 1763660), (10, 1587294), (12, 1322745), (15, 1058196), (18, 881830), (20, 793647), (30, 529098), (36, 440915), (45, 352732), (60, 264549), (90, 176366), (163, 97380), (180, 88183), (326, 48690), (489, 32460), (541, 29340), (652, 24345), (815, 19476), (978, 16230), (1082, 14670), (1467, 10820), (1623, 9780), (1630, 9738), (1956, 8115), (2164, 7335), (2445, 6492), (2705, 5868), (2934, 5410), (3246, 4890), (3260, 4869)]