19931640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 60220800

約数和(自身を除く): 40289160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1019, 1304, 1630, 1956, 2038, 2445, 3057, 3260, 3912, 4076, 4890, 5095, 6114, 6520, 8152, 9780, 10190, 12228, 15285, 19560, 20380, 24456, 30570, 40760, 61140, 122280, 166097, 332194, 498291, 664388, 830485, 996582, 1328776, 1660970, 1993164, 2491455, 3321940, 3986328, 4982910, 6643880, 9965820, 19931640]

約数ペア:

[(1, 19931640), (2, 9965820), (3, 6643880), (4, 4982910), (5, 3986328), (6, 3321940), (8, 2491455), (10, 1993164), (12, 1660970), (15, 1328776), (20, 996582), (24, 830485), (30, 664388), (40, 498291), (60, 332194), (120, 166097), (163, 122280), (326, 61140), (489, 40760), (652, 30570), (815, 24456), (978, 20380), (1019, 19560), (1304, 15285), (1630, 12228), (1956, 10190), (2038, 9780), (2445, 8152), (3057, 6520), (3260, 6114), (3912, 5095), (4076, 4890)]