205430640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1873}}^1$

素因数の和:2346

約数の個数: 80

約数和(自身を含む): 638569248

約数和(自身を除く): 433138608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 1873, 2285, 2742, 3656, 3746, 4570, 5484, 5619, 6855, 7312, 7492, 9140, 9365, 10968, 11238, 13710, 14984, 18280, 18730, 21936, 22476, 27420, 28095, 29968, 36560, 37460, 44952, 54840, 56190, 74920, 89904, 109680, 112380, 149840, 224760, 449520, 855961, 1711922, 2567883, 3423844, 4279805, 5135766, 6847688, 8559610, 10271532, 12839415, 13695376, 17119220, 20543064, 25678830, 34238440, 41086128, 51357660, 68476880, 102715320, 205430640]

約数ペア:

[(1, 205430640), (2, 102715320), (3, 68476880), (4, 51357660), (5, 41086128), (6, 34238440), (8, 25678830), (10, 20543064), (12, 17119220), (15, 13695376), (16, 12839415), (20, 10271532), (24, 8559610), (30, 6847688), (40, 5135766), (48, 4279805), (60, 3423844), (80, 2567883), (120, 1711922), (240, 855961), (457, 449520), (914, 224760), (1371, 149840), (1828, 112380), (1873, 109680), (2285, 89904), (2742, 74920), (3656, 56190), (3746, 54840), (4570, 44952), (5484, 37460), (5619, 36560), (6855, 29968), (7312, 28095), (7492, 27420), (9140, 22476), (9365, 21936), (10968, 18730), (11238, 18280), (13710, 14984)]