721453980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7283}}^1$

素因数の和:7435

約数の個数: 96

約数和(自身を含む): 2192891904

約数和(自身を除く): 1471437924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 381, 390, 508, 635, 762, 780, 1270, 1524, 1651, 1905, 2540, 3302, 3810, 4953, 6604, 7283, 7620, 8255, 9906, 14566, 16510, 19812, 21849, 24765, 29132, 33020, 36415, 43698, 49530, 72830, 87396, 94679, 99060, 109245, 145660, 189358, 218490, 284037, 378716, 436980, 473395, 568074, 924941, 946790, 1136148, 1420185, 1849882, 1893580, 2774823, 2840370, 3699764, 4624705, 5549646, 5680740, 9249410, 11099292, 12024233, 13874115, 18498820, 24048466, 27748230, 36072699, 48096932, 55496460, 60121165, 72145398, 120242330, 144290796, 180363495, 240484660, 360726990, 721453980]

約数ペア:

[(1, 721453980), (2, 360726990), (3, 240484660), (4, 180363495), (5, 144290796), (6, 120242330), (10, 72145398), (12, 60121165), (13, 55496460), (15, 48096932), (20, 36072699), (26, 27748230), (30, 24048466), (39, 18498820), (52, 13874115), (60, 12024233), (65, 11099292), (78, 9249410), (127, 5680740), (130, 5549646), (156, 4624705), (195, 3699764), (254, 2840370), (260, 2774823), (381, 1893580), (390, 1849882), (508, 1420185), (635, 1136148), (762, 946790), (780, 924941), (1270, 568074), (1524, 473395), (1651, 436980), (1905, 378716), (2540, 284037), (3302, 218490), (3810, 189358), (4953, 145660), (6604, 109245), (7283, 99060), (7620, 94679), (8255, 87396), (9906, 72830), (14566, 49530), (16510, 43698), (19812, 36415), (21849, 33020), (24765, 29132)]