123687760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 338415840

約数和(自身を除く): 214728080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 196, 227, 245, 278, 280, 392, 454, 490, 556, 560, 695, 784, 908, 973, 980, 1112, 1135, 1390, 1589, 1816, 1946, 1960, 2224, 2270, 2780, 3178, 3632, 3892, 3920, 4540, 4865, 5560, 6356, 6811, 7784, 7945, 9080, 9730, 11120, 11123, 12712, 13622, 15568, 15890, 18160, 19460, 22246, 25424, 27244, 31553, 31780, 34055, 38920, 44492, 54488, 55615, 63106, 63560, 68110, 77840, 88984, 108976, 111230, 126212, 127120, 136220, 157765, 177968, 220871, 222460, 252424, 272440, 315530, 441742, 444920, 504848, 544880, 631060, 883484, 889840, 1104355, 1262120, 1546097, 1766968, 2208710, 2524240, 3092194, 3533936, 4417420, 6184388, 7730485, 8834840, 12368776, 15460970, 17669680, 24737552, 30921940, 61843880, 123687760]

約数ペア:

[(1, 123687760), (2, 61843880), (4, 30921940), (5, 24737552), (7, 17669680), (8, 15460970), (10, 12368776), (14, 8834840), (16, 7730485), (20, 6184388), (28, 4417420), (35, 3533936), (40, 3092194), (49, 2524240), (56, 2208710), (70, 1766968), (80, 1546097), (98, 1262120), (112, 1104355), (139, 889840), (140, 883484), (196, 631060), (227, 544880), (245, 504848), (278, 444920), (280, 441742), (392, 315530), (454, 272440), (490, 252424), (556, 222460), (560, 220871), (695, 177968), (784, 157765), (908, 136220), (973, 127120), (980, 126212), (1112, 111230), (1135, 108976), (1390, 88984), (1589, 77840), (1816, 68110), (1946, 63560), (1960, 63106), (2224, 55615), (2270, 54488), (2780, 44492), (3178, 38920), (3632, 34055), (3892, 31780), (3920, 31553), (4540, 27244), (4865, 25424), (5560, 22246), (6356, 19460), (6811, 18160), (7784, 15890), (7945, 15568), (9080, 13622), (9730, 12712), (11120, 11123)]