28804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 89833536

約数和(自身を除く): 61028976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 467, 514, 771, 934, 1028, 1285, 1401, 1542, 1868, 2056, 2335, 2570, 2802, 3084, 3736, 3855, 4112, 4670, 5140, 5604, 6168, 7005, 7472, 7710, 9340, 10280, 11208, 12336, 14010, 15420, 18680, 20560, 22416, 28020, 30840, 37360, 56040, 61680, 112080, 120019, 240038, 360057, 480076, 600095, 720114, 960152, 1200190, 1440228, 1800285, 1920304, 2400380, 2880456, 3600570, 4800760, 5760912, 7201140, 9601520, 14402280, 28804560]

約数ペア:

[(1, 28804560), (2, 14402280), (3, 9601520), (4, 7201140), (5, 5760912), (6, 4800760), (8, 3600570), (10, 2880456), (12, 2400380), (15, 1920304), (16, 1800285), (20, 1440228), (24, 1200190), (30, 960152), (40, 720114), (48, 600095), (60, 480076), (80, 360057), (120, 240038), (240, 120019), (257, 112080), (467, 61680), (514, 56040), (771, 37360), (934, 30840), (1028, 28020), (1285, 22416), (1401, 20560), (1542, 18680), (1868, 15420), (2056, 14010), (2335, 12336), (2570, 11208), (2802, 10280), (3084, 9340), (3736, 7710), (3855, 7472), (4112, 7005), (4670, 6168), (5140, 5604)]