251548740

素因数分解:

$2^2\times 3^{11}\times 5^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 803537280

約数和(自身を除く): 551988540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 243, 270, 284, 324, 355, 405, 426, 486, 540, 639, 710, 729, 810, 852, 972, 1065, 1215, 1278, 1420, 1458, 1620, 1917, 2130, 2187, 2430, 2556, 2916, 3195, 3645, 3834, 4260, 4374, 4860, 5751, 6390, 6561, 7290, 7668, 8748, 9585, 10935, 11502, 12780, 13122, 14580, 17253, 19170, 19683, 21870, 23004, 26244, 28755, 32805, 34506, 38340, 39366, 43740, 51759, 57510, 59049, 65610, 69012, 78732, 86265, 98415, 103518, 115020, 118098, 131220, 155277, 172530, 177147, 196830, 207036, 236196, 258795, 295245, 310554, 345060, 354294, 393660, 465831, 517590, 590490, 621108, 708588, 776385, 885735, 931662, 1035180, 1180980, 1397493, 1552770, 1771470, 1863324, 2329155, 2794986, 3105540, 3542940, 4192479, 4658310, 5589972, 6987465, 8384958, 9316620, 12577437, 13974930, 16769916, 20962395, 25154874, 27949860, 41924790, 50309748, 62887185, 83849580, 125774370, 251548740]

約数ペア:

[(1, 251548740), (2, 125774370), (3, 83849580), (4, 62887185), (5, 50309748), (6, 41924790), (9, 27949860), (10, 25154874), (12, 20962395), (15, 16769916), (18, 13974930), (20, 12577437), (27, 9316620), (30, 8384958), (36, 6987465), (45, 5589972), (54, 4658310), (60, 4192479), (71, 3542940), (81, 3105540), (90, 2794986), (108, 2329155), (135, 1863324), (142, 1771470), (162, 1552770), (180, 1397493), (213, 1180980), (243, 1035180), (270, 931662), (284, 885735), (324, 776385), (355, 708588), (405, 621108), (426, 590490), (486, 517590), (540, 465831), (639, 393660), (710, 354294), (729, 345060), (810, 310554), (852, 295245), (972, 258795), (1065, 236196), (1215, 207036), (1278, 196830), (1420, 177147), (1458, 172530), (1620, 155277), (1917, 131220), (2130, 118098), (2187, 115020), (2430, 103518), (2556, 98415), (2916, 86265), (3195, 78732), (3645, 69012), (3834, 65610), (4260, 59049), (4374, 57510), (4860, 51759), (5751, 43740), (6390, 39366), (6561, 38340), (7290, 34506), (7668, 32805), (8748, 28755), (9585, 26244), (10935, 23004), (11502, 21870), (12780, 19683), (13122, 19170), (14580, 17253)]