161417680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2444

約数の個数: 80

約数和(自身を含む): 402367104

約数和(自身を除く): 240949424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 851, 920, 1480, 1702, 1840, 2371, 2960, 3404, 4255, 4742, 6808, 8510, 9484, 11855, 13616, 17020, 18968, 23710, 34040, 37936, 47420, 54533, 68080, 87727, 94840, 109066, 175454, 189680, 218132, 272665, 350908, 436264, 438635, 545330, 701816, 872528, 877270, 1090660, 1403632, 1754540, 2017721, 2181320, 3509080, 4035442, 4362640, 7018160, 8070884, 10088605, 16141768, 20177210, 32283536, 40354420, 80708840, 161417680]

約数ペア:

[(1, 161417680), (2, 80708840), (4, 40354420), (5, 32283536), (8, 20177210), (10, 16141768), (16, 10088605), (20, 8070884), (23, 7018160), (37, 4362640), (40, 4035442), (46, 3509080), (74, 2181320), (80, 2017721), (92, 1754540), (115, 1403632), (148, 1090660), (184, 877270), (185, 872528), (230, 701816), (296, 545330), (368, 438635), (370, 436264), (460, 350908), (592, 272665), (740, 218132), (851, 189680), (920, 175454), (1480, 109066), (1702, 94840), (1840, 87727), (2371, 68080), (2960, 54533), (3404, 47420), (4255, 37936), (4742, 34040), (6808, 23710), (8510, 18968), (9484, 17020), (11855, 13616)]