209219880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1979}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 628689600

約数和(自身を除く): 419469720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 881, 1762, 1979, 2643, 3524, 3958, 4405, 5286, 5937, 7048, 7916, 8810, 9895, 10572, 11874, 13215, 15832, 17620, 19790, 21144, 23748, 26430, 29685, 35240, 39580, 47496, 52860, 59370, 79160, 105720, 118740, 237480, 1743499, 3486998, 5230497, 6973996, 8717495, 10460994, 13947992, 17434990, 20921988, 26152485, 34869980, 41843976, 52304970, 69739960, 104609940, 209219880]

約数ペア:

[(1, 209219880), (2, 104609940), (3, 69739960), (4, 52304970), (5, 41843976), (6, 34869980), (8, 26152485), (10, 20921988), (12, 17434990), (15, 13947992), (20, 10460994), (24, 8717495), (30, 6973996), (40, 5230497), (60, 3486998), (120, 1743499), (881, 237480), (1762, 118740), (1979, 105720), (2643, 79160), (3524, 59370), (3958, 52860), (4405, 47496), (5286, 39580), (5937, 35240), (7048, 29685), (7916, 26430), (8810, 23748), (9895, 21144), (10572, 19790), (11874, 17620), (13215, 15832)]