7905040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 21623616

約数和(自身を除く): 13718576

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 691, 715, 880, 1040, 1144, 1382, 1430, 2288, 2764, 2860, 3455, 5528, 5720, 6910, 7601, 8983, 11056, 11440, 13820, 15202, 17966, 27640, 30404, 35932, 38005, 44915, 55280, 60808, 71864, 76010, 89830, 98813, 121616, 143728, 152020, 179660, 197626, 304040, 359320, 395252, 494065, 608080, 718640, 790504, 988130, 1581008, 1976260, 3952520, 7905040]

約数ペア:

[(1, 7905040), (2, 3952520), (4, 1976260), (5, 1581008), (8, 988130), (10, 790504), (11, 718640), (13, 608080), (16, 494065), (20, 395252), (22, 359320), (26, 304040), (40, 197626), (44, 179660), (52, 152020), (55, 143728), (65, 121616), (80, 98813), (88, 89830), (104, 76010), (110, 71864), (130, 60808), (143, 55280), (176, 44915), (208, 38005), (220, 35932), (260, 30404), (286, 27640), (440, 17966), (520, 15202), (572, 13820), (691, 11440), (715, 11056), (880, 8983), (1040, 7601), (1144, 6910), (1382, 5720), (1430, 5528), (2288, 3455), (2764, 2860)]