69536740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2939}}^1$

素因数の和:2981

約数の個数: 72

約数和(自身を含む): 180774720

約数和(自身を除く): 111237980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 2939, 3380, 4732, 5878, 5915, 11756, 11830, 14695, 20573, 23660, 29390, 38207, 41146, 58780, 76414, 82292, 102865, 152828, 191035, 205730, 267449, 382070, 411460, 496691, 534898, 764140, 993382, 1069796, 1337245, 1986764, 2483455, 2674490, 3476837, 4966910, 5348980, 6953674, 9933820, 13907348, 17384185, 34768370, 69536740]

約数ペア:

[(1, 69536740), (2, 34768370), (4, 17384185), (5, 13907348), (7, 9933820), (10, 6953674), (13, 5348980), (14, 4966910), (20, 3476837), (26, 2674490), (28, 2483455), (35, 1986764), (52, 1337245), (65, 1069796), (70, 993382), (91, 764140), (130, 534898), (140, 496691), (169, 411460), (182, 382070), (260, 267449), (338, 205730), (364, 191035), (455, 152828), (676, 102865), (845, 82292), (910, 76414), (1183, 58780), (1690, 41146), (1820, 38207), (2366, 29390), (2939, 23660), (3380, 20573), (4732, 14695), (5878, 11830), (5915, 11756)]