521217720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20983}}^1$

素因数の和:21026

約数の個数: 128

約数和(自身を含む): 1813017600

約数和(自身を除く): 1291799880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 20983, 24840, 41966, 62949, 83932, 104915, 125898, 167864, 188847, 209830, 251796, 314745, 377694, 419660, 482609, 503592, 566541, 629490, 755388, 839320, 944235, 965218, 1133082, 1258980, 1447827, 1510776, 1888470, 1930436, 2266164, 2413045, 2517960, 2832705, 2895654, 3776940, 3860872, 4343481, 4532328, 4826090, 5665410, 5791308, 7239135, 7553880, 8686962, 9652180, 11330820, 11582616, 13030443, 14478270, 17373924, 19304360, 21717405, 22661640, 26060886, 28956540, 34747848, 43434810, 52121772, 57913080, 65152215, 86869620, 104243544, 130304430, 173739240, 260608860, 521217720]

約数ペア:

[(1, 521217720), (2, 260608860), (3, 173739240), (4, 130304430), (5, 104243544), (6, 86869620), (8, 65152215), (9, 57913080), (10, 52121772), (12, 43434810), (15, 34747848), (18, 28956540), (20, 26060886), (23, 22661640), (24, 21717405), (27, 19304360), (30, 17373924), (36, 14478270), (40, 13030443), (45, 11582616), (46, 11330820), (54, 9652180), (60, 8686962), (69, 7553880), (72, 7239135), (90, 5791308), (92, 5665410), (108, 4826090), (115, 4532328), (120, 4343481), (135, 3860872), (138, 3776940), (180, 2895654), (184, 2832705), (207, 2517960), (216, 2413045), (230, 2266164), (270, 1930436), (276, 1888470), (345, 1510776), (360, 1447827), (414, 1258980), (460, 1133082), (540, 965218), (552, 944235), (621, 839320), (690, 755388), (828, 629490), (920, 566541), (1035, 503592), (1080, 482609), (1242, 419660), (1380, 377694), (1656, 314745), (2070, 251796), (2484, 209830), (2760, 188847), (3105, 167864), (4140, 125898), (4968, 104915), (6210, 83932), (8280, 62949), (12420, 41966), (20983, 24840)]