2560360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 6619410

約数和(自身を除く): 4059050

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 529, 605, 920, 968, 1012, 1058, 1210, 1265, 2024, 2116, 2420, 2530, 2645, 2783, 4232, 4840, 5060, 5290, 5566, 5819, 10120, 10580, 11132, 11638, 13915, 21160, 22264, 23276, 27830, 29095, 46552, 55660, 58190, 64009, 111320, 116380, 128018, 232760, 256036, 320045, 512072, 640090, 1280180, 2560360]

約数ペア:

[(1, 2560360), (2, 1280180), (4, 640090), (5, 512072), (8, 320045), (10, 256036), (11, 232760), (20, 128018), (22, 116380), (23, 111320), (40, 64009), (44, 58190), (46, 55660), (55, 46552), (88, 29095), (92, 27830), (110, 23276), (115, 22264), (121, 21160), (184, 13915), (220, 11638), (230, 11132), (242, 10580), (253, 10120), (440, 5819), (460, 5566), (484, 5290), (506, 5060), (529, 4840), (605, 4232), (920, 2783), (968, 2645), (1012, 2530), (1058, 2420), (1210, 2116), (1265, 2024)]