2541760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 6693408

約数和(自身を除く): 4151648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 130, 160, 169, 188, 208, 235, 260, 320, 338, 376, 416, 470, 520, 611, 676, 752, 832, 845, 940, 1040, 1222, 1352, 1504, 1690, 1880, 2080, 2444, 2704, 3008, 3055, 3380, 3760, 4160, 4888, 5408, 6110, 6760, 7520, 7943, 9776, 10816, 12220, 13520, 15040, 15886, 19552, 24440, 27040, 31772, 39104, 39715, 48880, 54080, 63544, 79430, 97760, 127088, 158860, 195520, 254176, 317720, 508352, 635440, 1270880, 2541760]

約数ペア:

[(1, 2541760), (2, 1270880), (4, 635440), (5, 508352), (8, 317720), (10, 254176), (13, 195520), (16, 158860), (20, 127088), (26, 97760), (32, 79430), (40, 63544), (47, 54080), (52, 48880), (64, 39715), (65, 39104), (80, 31772), (94, 27040), (104, 24440), (130, 19552), (160, 15886), (169, 15040), (188, 13520), (208, 12220), (235, 10816), (260, 9776), (320, 7943), (338, 7520), (376, 6760), (416, 6110), (470, 5408), (520, 4888), (611, 4160), (676, 3760), (752, 3380), (832, 3055), (845, 3008), (940, 2704), (1040, 2444), (1222, 2080), (1352, 1880), (1504, 1690)]