15919920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{22111}}^1$

素因数の和:22130

約数の個数: 60

約数和(自身を含む): 53466816

約数和(自身を除く): 37546896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 22111, 44222, 66333, 88444, 110555, 132666, 176888, 198999, 221110, 265332, 331665, 353776, 397998, 442220, 530664, 663330, 795996, 884440, 994995, 1061328, 1326660, 1591992, 1768880, 1989990, 2653320, 3183984, 3979980, 5306640, 7959960, 15919920]

約数ペア:

[(1, 15919920), (2, 7959960), (3, 5306640), (4, 3979980), (5, 3183984), (6, 2653320), (8, 1989990), (9, 1768880), (10, 1591992), (12, 1326660), (15, 1061328), (16, 994995), (18, 884440), (20, 795996), (24, 663330), (30, 530664), (36, 442220), (40, 397998), (45, 353776), (48, 331665), (60, 265332), (72, 221110), (80, 198999), (90, 176888), (120, 132666), (144, 110555), (180, 88444), (240, 66333), (360, 44222), (720, 22111)]