15879420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 72

約数和(自身を含む): 49218624

約数和(自身を除く): 33339204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 1877, 2115, 2820, 3754, 4230, 5631, 7508, 8460, 9385, 11262, 16893, 18770, 22524, 28155, 33786, 37540, 56310, 67572, 84465, 88219, 112620, 168930, 176438, 264657, 337860, 352876, 441095, 529314, 793971, 882190, 1058628, 1323285, 1587942, 1764380, 2646570, 3175884, 3969855, 5293140, 7939710, 15879420]

約数ペア:

[(1, 15879420), (2, 7939710), (3, 5293140), (4, 3969855), (5, 3175884), (6, 2646570), (9, 1764380), (10, 1587942), (12, 1323285), (15, 1058628), (18, 882190), (20, 793971), (30, 529314), (36, 441095), (45, 352876), (47, 337860), (60, 264657), (90, 176438), (94, 168930), (141, 112620), (180, 88219), (188, 84465), (235, 67572), (282, 56310), (423, 37540), (470, 33786), (564, 28155), (705, 22524), (846, 18770), (940, 16893), (1410, 11262), (1692, 9385), (1877, 8460), (2115, 7508), (2820, 5631), (3754, 4230)]