420015720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47947}}^1$

素因数の和:48034

約数の個数: 64

約数和(自身を含む): 1277334720

約数和(自身を除く): 857319000

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, 4380, 8760, 47947, 95894, 143841, 191788, 239735, 287682, 383576, 479470, 575364, 719205, 958940, 1150728, 1438410, 1917880, 2876820, 3500131, 5753640, 7000262, 10500393, 14000524, 17500655, 21000786, 28001048, 35001310, 42001572, 52501965, 70002620, 84003144, 105003930, 140005240, 210007860, 420015720]

約数ペア:

[(1, 420015720), (2, 210007860), (3, 140005240), (4, 105003930), (5, 84003144), (6, 70002620), (8, 52501965), (10, 42001572), (12, 35001310), (15, 28001048), (20, 21000786), (24, 17500655), (30, 14000524), (40, 10500393), (60, 7000262), (73, 5753640), (120, 3500131), (146, 2876820), (219, 1917880), (292, 1438410), (365, 1150728), (438, 958940), (584, 719205), (730, 575364), (876, 479470), (1095, 383576), (1460, 287682), (1752, 239735), (2190, 191788), (2920, 143841), (4380, 95894), (8760, 47947)]