247861260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 787026240

約数和(自身を除く): 539164980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 103, 116, 145, 174, 180, 206, 261, 290, 309, 348, 412, 435, 461, 515, 522, 580, 618, 870, 922, 927, 1030, 1044, 1236, 1305, 1383, 1545, 1740, 1844, 1854, 2060, 2305, 2610, 2766, 2987, 3090, 3708, 4149, 4610, 4635, 5220, 5532, 5974, 6180, 6915, 8298, 8961, 9220, 9270, 11948, 13369, 13830, 14935, 16596, 17922, 18540, 20745, 26738, 26883, 27660, 29870, 35844, 40107, 41490, 44805, 47483, 53476, 53766, 59740, 66845, 80214, 82980, 89610, 94966, 107532, 120321, 133690, 134415, 142449, 160428, 179220, 189932, 200535, 237415, 240642, 267380, 268830, 284898, 401070, 427347, 474830, 481284, 537660, 569796, 601605, 712245, 802140, 854694, 949660, 1203210, 1377007, 1424490, 1709388, 2136735, 2406420, 2754014, 2848980, 4131021, 4273470, 5508028, 6885035, 8262042, 8546940, 12393063, 13770070, 16524084, 20655105, 24786126, 27540140, 41310210, 49572252, 61965315, 82620420, 123930630, 247861260]

約数ペア:

[(1, 247861260), (2, 123930630), (3, 82620420), (4, 61965315), (5, 49572252), (6, 41310210), (9, 27540140), (10, 24786126), (12, 20655105), (15, 16524084), (18, 13770070), (20, 12393063), (29, 8546940), (30, 8262042), (36, 6885035), (45, 5508028), (58, 4273470), (60, 4131021), (87, 2848980), (90, 2754014), (103, 2406420), (116, 2136735), (145, 1709388), (174, 1424490), (180, 1377007), (206, 1203210), (261, 949660), (290, 854694), (309, 802140), (348, 712245), (412, 601605), (435, 569796), (461, 537660), (515, 481284), (522, 474830), (580, 427347), (618, 401070), (870, 284898), (922, 268830), (927, 267380), (1030, 240642), (1044, 237415), (1236, 200535), (1305, 189932), (1383, 179220), (1545, 160428), (1740, 142449), (1844, 134415), (1854, 133690), (2060, 120321), (2305, 107532), (2610, 94966), (2766, 89610), (2987, 82980), (3090, 80214), (3708, 66845), (4149, 59740), (4610, 53766), (4635, 53476), (5220, 47483), (5532, 44805), (5974, 41490), (6180, 40107), (6915, 35844), (8298, 29870), (8961, 27660), (9220, 26883), (9270, 26738), (11948, 20745), (13369, 18540), (13830, 17922), (14935, 16596)]