15316920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 50281920

約数和(自身を除く): 34965000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 271, 314, 360, 471, 542, 628, 785, 813, 942, 1084, 1256, 1355, 1413, 1570, 1626, 1884, 2168, 2355, 2439, 2710, 2826, 3140, 3252, 3768, 4065, 4710, 4878, 5420, 5652, 6280, 6504, 7065, 8130, 9420, 9756, 10840, 11304, 12195, 14130, 16260, 18840, 19512, 24390, 28260, 32520, 42547, 48780, 56520, 85094, 97560, 127641, 170188, 212735, 255282, 340376, 382923, 425470, 510564, 638205, 765846, 850940, 1021128, 1276410, 1531692, 1701880, 1914615, 2552820, 3063384, 3829230, 5105640, 7658460, 15316920]

約数ペア:

[(1, 15316920), (2, 7658460), (3, 5105640), (4, 3829230), (5, 3063384), (6, 2552820), (8, 1914615), (9, 1701880), (10, 1531692), (12, 1276410), (15, 1021128), (18, 850940), (20, 765846), (24, 638205), (30, 510564), (36, 425470), (40, 382923), (45, 340376), (60, 255282), (72, 212735), (90, 170188), (120, 127641), (157, 97560), (180, 85094), (271, 56520), (314, 48780), (360, 42547), (471, 32520), (542, 28260), (628, 24390), (785, 19512), (813, 18840), (942, 16260), (1084, 14130), (1256, 12195), (1355, 11304), (1413, 10840), (1570, 9756), (1626, 9420), (1884, 8130), (2168, 7065), (2355, 6504), (2439, 6280), (2710, 5652), (2826, 5420), (3140, 4878), (3252, 4710), (3768, 4065)]