249489960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122299}}^1$

素因数の和:122330

約数の個数: 64

約数和(自身を含む): 792504000

約数和(自身を除く): 543014040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 122299, 244598, 366897, 489196, 611495, 733794, 978392, 1222990, 1467588, 1834485, 2079083, 2445980, 2935176, 3668970, 4158166, 4891960, 6237249, 7337940, 8316332, 10395415, 12474498, 14675880, 16632664, 20790830, 24948996, 31186245, 41581660, 49897992, 62372490, 83163320, 124744980, 249489960]

約数ペア:

[(1, 249489960), (2, 124744980), (3, 83163320), (4, 62372490), (5, 49897992), (6, 41581660), (8, 31186245), (10, 24948996), (12, 20790830), (15, 16632664), (17, 14675880), (20, 12474498), (24, 10395415), (30, 8316332), (34, 7337940), (40, 6237249), (51, 4891960), (60, 4158166), (68, 3668970), (85, 2935176), (102, 2445980), (120, 2079083), (136, 1834485), (170, 1467588), (204, 1222990), (255, 978392), (340, 733794), (408, 611495), (510, 489196), (680, 366897), (1020, 244598), (2040, 122299)]