140923520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7153

約数の個数: 64

約数和(自身を含む): 347811840

約数和(自身を除く): 206888320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7103, 9920, 14206, 19840, 28412, 35515, 56824, 71030, 113648, 142060, 220193, 227296, 284120, 440386, 454592, 568240, 880772, 909184, 1100965, 1136480, 1761544, 2201930, 2272960, 3523088, 4403860, 4545920, 7046176, 8807720, 14092352, 17615440, 28184704, 35230880, 70461760, 140923520]

約数ペア:

[(1, 140923520), (2, 70461760), (4, 35230880), (5, 28184704), (8, 17615440), (10, 14092352), (16, 8807720), (20, 7046176), (31, 4545920), (32, 4403860), (40, 3523088), (62, 2272960), (64, 2201930), (80, 1761544), (124, 1136480), (128, 1100965), (155, 909184), (160, 880772), (248, 568240), (310, 454592), (320, 440386), (496, 284120), (620, 227296), (640, 220193), (992, 142060), (1240, 113648), (1984, 71030), (2480, 56824), (3968, 35515), (4960, 28412), (7103, 19840), (9920, 14206)]