78899880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657499}}^1$

素因数の和:657513

約数の個数: 32

約数和(自身を含む): 236700000

約数和(自身を除く): 157800120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657499, 1314998, 1972497, 2629996, 3287495, 3944994, 5259992, 6574990, 7889988, 9862485, 13149980, 15779976, 19724970, 26299960, 39449940, 78899880]

約数ペア:

[(1, 78899880), (2, 39449940), (3, 26299960), (4, 19724970), (5, 15779976), (6, 13149980), (8, 9862485), (10, 7889988), (12, 6574990), (15, 5259992), (20, 3944994), (24, 3287495), (30, 2629996), (40, 1972497), (60, 1314998), (120, 657499)]