720881090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4211}}^1$

素因数の和:4307

約数の個数: 64

約数和(自身を含む): 1473863040

約数和(自身を除く): 752981950

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 53, 85, 95, 106, 170, 190, 265, 323, 530, 646, 901, 1007, 1615, 1802, 2014, 3230, 4211, 4505, 5035, 8422, 9010, 10070, 17119, 21055, 34238, 42110, 71587, 80009, 85595, 143174, 160018, 171190, 223183, 357935, 400045, 446366, 715870, 800090, 1115915, 1360153, 2231830, 2720306, 3794111, 4240477, 6800765, 7588222, 8480954, 13601530, 18970555, 21202385, 37941110, 42404770, 72088109, 144176218, 360440545, 720881090]

約数ペア:

[(1, 720881090), (2, 360440545), (5, 144176218), (10, 72088109), (17, 42404770), (19, 37941110), (34, 21202385), (38, 18970555), (53, 13601530), (85, 8480954), (95, 7588222), (106, 6800765), (170, 4240477), (190, 3794111), (265, 2720306), (323, 2231830), (530, 1360153), (646, 1115915), (901, 800090), (1007, 715870), (1615, 446366), (1802, 400045), (2014, 357935), (3230, 223183), (4211, 171190), (4505, 160018), (5035, 143174), (8422, 85595), (9010, 80009), (10070, 71587), (17119, 42110), (21055, 34238)]