15948520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 42681600

約数和(自身を除く): 26733080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 103, 140, 158, 196, 206, 245, 280, 316, 392, 395, 412, 490, 515, 553, 632, 721, 790, 824, 980, 1030, 1106, 1442, 1580, 1960, 2060, 2212, 2765, 2884, 3160, 3605, 3871, 4120, 4424, 5047, 5530, 5768, 7210, 7742, 8137, 10094, 11060, 14420, 15484, 16274, 19355, 20188, 22120, 25235, 28840, 30968, 32548, 38710, 40376, 40685, 50470, 56959, 65096, 77420, 81370, 100940, 113918, 154840, 162740, 201880, 227836, 284795, 325480, 398713, 455672, 569590, 797426, 1139180, 1594852, 1993565, 2278360, 3189704, 3987130, 7974260, 15948520]

約数ペア:

[(1, 15948520), (2, 7974260), (4, 3987130), (5, 3189704), (7, 2278360), (8, 1993565), (10, 1594852), (14, 1139180), (20, 797426), (28, 569590), (35, 455672), (40, 398713), (49, 325480), (56, 284795), (70, 227836), (79, 201880), (98, 162740), (103, 154840), (140, 113918), (158, 100940), (196, 81370), (206, 77420), (245, 65096), (280, 56959), (316, 50470), (392, 40685), (395, 40376), (412, 38710), (490, 32548), (515, 30968), (553, 28840), (632, 25235), (721, 22120), (790, 20188), (824, 19355), (980, 16274), (1030, 15484), (1106, 14420), (1442, 11060), (1580, 10094), (1960, 8137), (2060, 7742), (2212, 7210), (2765, 5768), (2884, 5530), (3160, 5047), (3605, 4424), (3871, 4120)]