28493880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 85847040

約数和(自身を除く): 57353160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 647, 734, 1101, 1294, 1468, 1835, 1941, 2202, 2588, 2936, 3235, 3670, 3882, 4404, 5176, 5505, 6470, 7340, 7764, 8808, 9705, 11010, 12940, 14680, 15528, 19410, 22020, 25880, 38820, 44040, 77640, 237449, 474898, 712347, 949796, 1187245, 1424694, 1899592, 2374490, 2849388, 3561735, 4748980, 5698776, 7123470, 9497960, 14246940, 28493880]

約数ペア:

[(1, 28493880), (2, 14246940), (3, 9497960), (4, 7123470), (5, 5698776), (6, 4748980), (8, 3561735), (10, 2849388), (12, 2374490), (15, 1899592), (20, 1424694), (24, 1187245), (30, 949796), (40, 712347), (60, 474898), (120, 237449), (367, 77640), (647, 44040), (734, 38820), (1101, 25880), (1294, 22020), (1468, 19410), (1835, 15528), (1941, 14680), (2202, 12940), (2588, 11010), (2936, 9705), (3235, 8808), (3670, 7764), (3882, 7340), (4404, 6470), (5176, 5505)]