2455480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 6143040

約数和(自身を除く): 3687560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 157, 170, 184, 230, 314, 340, 391, 460, 628, 680, 782, 785, 920, 1256, 1564, 1570, 1955, 2669, 3128, 3140, 3611, 3910, 5338, 6280, 7222, 7820, 10676, 13345, 14444, 15640, 18055, 21352, 26690, 28888, 36110, 53380, 61387, 72220, 106760, 122774, 144440, 245548, 306935, 491096, 613870, 1227740, 2455480]

約数ペア:

[(1, 2455480), (2, 1227740), (4, 613870), (5, 491096), (8, 306935), (10, 245548), (17, 144440), (20, 122774), (23, 106760), (34, 72220), (40, 61387), (46, 53380), (68, 36110), (85, 28888), (92, 26690), (115, 21352), (136, 18055), (157, 15640), (170, 14444), (184, 13345), (230, 10676), (314, 7820), (340, 7222), (391, 6280), (460, 5338), (628, 3910), (680, 3611), (782, 3140), (785, 3128), (920, 2669), (1256, 1955), (1564, 1570)]