15402840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 47208960

約数和(自身を除く): 31806120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2731, 2820, 5462, 5640, 8193, 10924, 13655, 16386, 21848, 27310, 32772, 40965, 54620, 65544, 81930, 109240, 128357, 163860, 256714, 327720, 385071, 513428, 641785, 770142, 1026856, 1283570, 1540284, 1925355, 2567140, 3080568, 3850710, 5134280, 7701420, 15402840]

約数ペア:

[(1, 15402840), (2, 7701420), (3, 5134280), (4, 3850710), (5, 3080568), (6, 2567140), (8, 1925355), (10, 1540284), (12, 1283570), (15, 1026856), (20, 770142), (24, 641785), (30, 513428), (40, 385071), (47, 327720), (60, 256714), (94, 163860), (120, 128357), (141, 109240), (188, 81930), (235, 65544), (282, 54620), (376, 40965), (470, 32772), (564, 27310), (705, 21848), (940, 16386), (1128, 13655), (1410, 10924), (1880, 8193), (2731, 5640), (2820, 5462)]