247986840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28309}}^1$

素因数の和:28396

約数の個数: 64

約数和(自身を含む): 754178400

約数和(自身を除く): 506191560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 28309, 56618, 84927, 113236, 141545, 169854, 226472, 283090, 339708, 424635, 566180, 679416, 849270, 1132360, 1698540, 2066557, 3397080, 4133114, 6199671, 8266228, 10332785, 12399342, 16532456, 20665570, 24798684, 30998355, 41331140, 49597368, 61996710, 82662280, 123993420, 247986840]

約数ペア:

[(1, 247986840), (2, 123993420), (3, 82662280), (4, 61996710), (5, 49597368), (6, 41331140), (8, 30998355), (10, 24798684), (12, 20665570), (15, 16532456), (20, 12399342), (24, 10332785), (30, 8266228), (40, 6199671), (60, 4133114), (73, 3397080), (120, 2066557), (146, 1698540), (219, 1132360), (292, 849270), (365, 679416), (438, 566180), (584, 424635), (730, 339708), (876, 283090), (1095, 226472), (1460, 169854), (1752, 141545), (2190, 113236), (2920, 84927), (4380, 56618), (8760, 28309)]