8740620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1020

約数の個数: 108

約数和(自身を含む): 30873024

約数和(自身を除く): 22132404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 991, 1260, 1470, 1764, 1982, 2205, 2940, 2973, 3964, 4410, 4955, 5946, 6937, 8820, 8919, 9910, 11892, 13874, 14865, 17838, 19820, 20811, 27748, 29730, 34685, 35676, 41622, 44595, 48559, 59460, 62433, 69370, 83244, 89190, 97118, 104055, 124866, 138740, 145677, 178380, 194236, 208110, 242795, 249732, 291354, 312165, 416220, 437031, 485590, 582708, 624330, 728385, 874062, 971180, 1248660, 1456770, 1748124, 2185155, 2913540, 4370310, 8740620]

約数ペア:

[(1, 8740620), (2, 4370310), (3, 2913540), (4, 2185155), (5, 1748124), (6, 1456770), (7, 1248660), (9, 971180), (10, 874062), (12, 728385), (14, 624330), (15, 582708), (18, 485590), (20, 437031), (21, 416220), (28, 312165), (30, 291354), (35, 249732), (36, 242795), (42, 208110), (45, 194236), (49, 178380), (60, 145677), (63, 138740), (70, 124866), (84, 104055), (90, 97118), (98, 89190), (105, 83244), (126, 69370), (140, 62433), (147, 59460), (180, 48559), (196, 44595), (210, 41622), (245, 35676), (252, 34685), (294, 29730), (315, 27748), (420, 20811), (441, 19820), (490, 17838), (588, 14865), (630, 13874), (735, 11892), (882, 9910), (980, 8919), (991, 8820), (1260, 6937), (1470, 5946), (1764, 4955), (1982, 4410), (2205, 3964), (2940, 2973)]