16981680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 53076960

約数和(自身を除く): 36095280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 409, 519, 692, 818, 865, 1038, 1227, 1384, 1636, 1730, 2045, 2076, 2454, 2595, 2768, 3272, 3460, 4090, 4152, 4908, 5190, 6135, 6544, 6920, 8180, 8304, 9816, 10380, 12270, 13840, 16360, 19632, 20760, 24540, 32720, 41520, 49080, 70757, 98160, 141514, 212271, 283028, 353785, 424542, 566056, 707570, 849084, 1061355, 1132112, 1415140, 1698168, 2122710, 2830280, 3396336, 4245420, 5660560, 8490840, 16981680]

約数ペア:

[(1, 16981680), (2, 8490840), (3, 5660560), (4, 4245420), (5, 3396336), (6, 2830280), (8, 2122710), (10, 1698168), (12, 1415140), (15, 1132112), (16, 1061355), (20, 849084), (24, 707570), (30, 566056), (40, 424542), (48, 353785), (60, 283028), (80, 212271), (120, 141514), (173, 98160), (240, 70757), (346, 49080), (409, 41520), (519, 32720), (692, 24540), (818, 20760), (865, 19632), (1038, 16360), (1227, 13840), (1384, 12270), (1636, 10380), (1730, 9816), (2045, 8304), (2076, 8180), (2454, 6920), (2595, 6544), (2768, 6135), (3272, 5190), (3460, 4908), (4090, 4152)]