128586880

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 308839680

約数和(自身を除く): 180252800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 607, 640, 662, 1214, 1324, 1655, 2428, 2648, 3035, 3310, 4856, 5296, 6070, 6620, 9712, 10592, 12140, 13240, 19424, 21184, 24280, 26480, 38848, 42368, 48560, 52960, 77696, 97120, 105920, 194240, 200917, 211840, 388480, 401834, 803668, 1004585, 1607336, 2009170, 3214672, 4018340, 6429344, 8036680, 12858688, 16073360, 25717376, 32146720, 64293440, 128586880]

約数ペア:

[(1, 128586880), (2, 64293440), (4, 32146720), (5, 25717376), (8, 16073360), (10, 12858688), (16, 8036680), (20, 6429344), (32, 4018340), (40, 3214672), (64, 2009170), (80, 1607336), (128, 1004585), (160, 803668), (320, 401834), (331, 388480), (607, 211840), (640, 200917), (662, 194240), (1214, 105920), (1324, 97120), (1655, 77696), (2428, 52960), (2648, 48560), (3035, 42368), (3310, 38848), (4856, 26480), (5296, 24280), (6070, 21184), (6620, 19424), (9712, 13240), (10592, 12140)]