122955920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 302218752

約数和(自身を除く): 179262832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1153, 1240, 1333, 1720, 2306, 2480, 2666, 3440, 4612, 5332, 5765, 6665, 9224, 10664, 11530, 13330, 18448, 21328, 23060, 26660, 35743, 46120, 49579, 53320, 71486, 92240, 99158, 106640, 142972, 178715, 198316, 247895, 285944, 357430, 396632, 495790, 571888, 714860, 793264, 991580, 1429720, 1536949, 1983160, 2859440, 3073898, 3966320, 6147796, 7684745, 12295592, 15369490, 24591184, 30738980, 61477960, 122955920]

約数ペア:

[(1, 122955920), (2, 61477960), (4, 30738980), (5, 24591184), (8, 15369490), (10, 12295592), (16, 7684745), (20, 6147796), (31, 3966320), (40, 3073898), (43, 2859440), (62, 1983160), (80, 1536949), (86, 1429720), (124, 991580), (155, 793264), (172, 714860), (215, 571888), (248, 495790), (310, 396632), (344, 357430), (430, 285944), (496, 247895), (620, 198316), (688, 178715), (860, 142972), (1153, 106640), (1240, 99158), (1333, 92240), (1720, 71486), (2306, 53320), (2480, 49579), (2666, 46120), (3440, 35743), (4612, 26660), (5332, 23060), (5765, 21328), (6665, 18448), (9224, 13330), (10664, 11530)]