15205820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6389}}^1$

素因数の和:6422

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 23440900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6389, 12778, 25556, 31945, 44723, 63890, 89446, 108613, 127780, 178892, 217226, 223615, 434452, 447230, 543065, 760291, 894460, 1086130, 1520582, 2172260, 3041164, 3801455, 7602910, 15205820]

約数ペア:

[(1, 15205820), (2, 7602910), (4, 3801455), (5, 3041164), (7, 2172260), (10, 1520582), (14, 1086130), (17, 894460), (20, 760291), (28, 543065), (34, 447230), (35, 434452), (68, 223615), (70, 217226), (85, 178892), (119, 127780), (140, 108613), (170, 89446), (238, 63890), (340, 44723), (476, 31945), (595, 25556), (1190, 12778), (2380, 6389)]