256133880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{237161}}^1$

素因数の和:237181

約数の個数: 64

約数和(自身を含む): 853783200

約数和(自身を除く): 597649320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 237161, 474322, 711483, 948644, 1185805, 1422966, 1897288, 2134449, 2371610, 2845932, 3557415, 4268898, 4743220, 5691864, 6403347, 7114830, 8537796, 9486440, 10672245, 12806694, 14229660, 17075592, 21344490, 25613388, 28459320, 32016735, 42688980, 51226776, 64033470, 85377960, 128066940, 256133880]

約数ペア:

[(1, 256133880), (2, 128066940), (3, 85377960), (4, 64033470), (5, 51226776), (6, 42688980), (8, 32016735), (9, 28459320), (10, 25613388), (12, 21344490), (15, 17075592), (18, 14229660), (20, 12806694), (24, 10672245), (27, 9486440), (30, 8537796), (36, 7114830), (40, 6403347), (45, 5691864), (54, 4743220), (60, 4268898), (72, 3557415), (90, 2845932), (108, 2371610), (120, 2134449), (135, 1897288), (180, 1422966), (216, 1185805), (270, 948644), (360, 711483), (540, 474322), (1080, 237161)]