71639680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15991}}^1$

素因数の和:16017

約数の個数: 64

約数和(自身を含む): 195742080

約数和(自身を除く): 124102400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 15991, 31982, 63964, 79955, 111937, 127928, 159910, 223874, 255856, 319820, 447748, 511712, 559685, 639640, 895496, 1023424, 1119370, 1279280, 1790992, 2046848, 2238740, 2558560, 3581984, 4477480, 5117120, 7163968, 8954960, 10234240, 14327936, 17909920, 35819840, 71639680]

約数ペア:

[(1, 71639680), (2, 35819840), (4, 17909920), (5, 14327936), (7, 10234240), (8, 8954960), (10, 7163968), (14, 5117120), (16, 4477480), (20, 3581984), (28, 2558560), (32, 2238740), (35, 2046848), (40, 1790992), (56, 1279280), (64, 1119370), (70, 1023424), (80, 895496), (112, 639640), (128, 559685), (140, 511712), (160, 447748), (224, 319820), (280, 255856), (320, 223874), (448, 159910), (560, 127928), (640, 111937), (896, 79955), (1120, 63964), (2240, 31982), (4480, 15991)]