131349760

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 318434760

約数和(自身を除く): 187085000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1153, 1280, 1424, 1780, 2306, 2848, 3560, 4612, 5696, 5765, 7120, 9224, 11392, 11530, 14240, 18448, 22784, 23060, 28480, 36896, 46120, 56960, 73792, 92240, 102617, 113920, 147584, 184480, 205234, 295168, 368960, 410468, 513085, 737920, 820936, 1026170, 1475840, 1641872, 2052340, 3283744, 4104680, 6567488, 8209360, 13134976, 16418720, 26269952, 32837440, 65674880, 131349760]

約数ペア:

[(1, 131349760), (2, 65674880), (4, 32837440), (5, 26269952), (8, 16418720), (10, 13134976), (16, 8209360), (20, 6567488), (32, 4104680), (40, 3283744), (64, 2052340), (80, 1641872), (89, 1475840), (128, 1026170), (160, 820936), (178, 737920), (256, 513085), (320, 410468), (356, 368960), (445, 295168), (640, 205234), (712, 184480), (890, 147584), (1153, 113920), (1280, 102617), (1424, 92240), (1780, 73792), (2306, 56960), (2848, 46120), (3560, 36896), (4612, 28480), (5696, 23060), (5765, 22784), (7120, 18448), (9224, 14240), (11392, 11530)]