28478760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3338

約数の個数: 64

約数和(自身を含む): 86633280

約数和(自身を除く): 58154520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 3251, 4380, 6502, 8760, 9753, 13004, 16255, 19506, 26008, 32510, 39012, 48765, 65020, 78024, 97530, 130040, 195060, 237323, 390120, 474646, 711969, 949292, 1186615, 1423938, 1898584, 2373230, 2847876, 3559845, 4746460, 5695752, 7119690, 9492920, 14239380, 28478760]

約数ペア:

[(1, 28478760), (2, 14239380), (3, 9492920), (4, 7119690), (5, 5695752), (6, 4746460), (8, 3559845), (10, 2847876), (12, 2373230), (15, 1898584), (20, 1423938), (24, 1186615), (30, 949292), (40, 711969), (60, 474646), (73, 390120), (120, 237323), (146, 195060), (219, 130040), (292, 97530), (365, 78024), (438, 65020), (584, 48765), (730, 39012), (876, 32510), (1095, 26008), (1460, 19506), (1752, 16255), (2190, 13004), (2920, 9753), (3251, 8760), (4380, 6502)]