128439200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5230

約数の個数: 72

約数和(自身を含む): 323729280

約数和(自身を除く): 195290080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 5179, 6200, 10358, 12400, 20716, 24800, 25895, 41432, 51790, 82864, 103580, 129475, 160549, 165728, 207160, 258950, 321098, 414320, 517900, 642196, 802745, 828640, 1035800, 1284392, 1605490, 2071600, 2568784, 3210980, 4013725, 4143200, 5137568, 6421960, 8027450, 12843920, 16054900, 25687840, 32109800, 64219600, 128439200]

約数ペア:

[(1, 128439200), (2, 64219600), (4, 32109800), (5, 25687840), (8, 16054900), (10, 12843920), (16, 8027450), (20, 6421960), (25, 5137568), (31, 4143200), (32, 4013725), (40, 3210980), (50, 2568784), (62, 2071600), (80, 1605490), (100, 1284392), (124, 1035800), (155, 828640), (160, 802745), (200, 642196), (248, 517900), (310, 414320), (400, 321098), (496, 258950), (620, 207160), (775, 165728), (800, 160549), (992, 129475), (1240, 103580), (1550, 82864), (2480, 51790), (3100, 41432), (4960, 25895), (5179, 24800), (6200, 20716), (10358, 12400)]