78048080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2916

約数の個数: 80

約数和(自身を含む): 204415488

約数和(自身を除く): 126367408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 2861, 3410, 5456, 5722, 6820, 11444, 13640, 14305, 22888, 27280, 28610, 31471, 45776, 57220, 62942, 88691, 114440, 125884, 157355, 177382, 228880, 251768, 314710, 354764, 443455, 503536, 629420, 709528, 886910, 975601, 1258840, 1419056, 1773820, 1951202, 2517680, 3547640, 3902404, 4878005, 7095280, 7804808, 9756010, 15609616, 19512020, 39024040, 78048080]

約数ペア:

[(1, 78048080), (2, 39024040), (4, 19512020), (5, 15609616), (8, 9756010), (10, 7804808), (11, 7095280), (16, 4878005), (20, 3902404), (22, 3547640), (31, 2517680), (40, 1951202), (44, 1773820), (55, 1419056), (62, 1258840), (80, 975601), (88, 886910), (110, 709528), (124, 629420), (155, 503536), (176, 443455), (220, 354764), (248, 314710), (310, 251768), (341, 228880), (440, 177382), (496, 157355), (620, 125884), (682, 114440), (880, 88691), (1240, 62942), (1364, 57220), (1705, 45776), (2480, 31471), (2728, 28610), (2861, 27280), (3410, 22888), (5456, 14305), (5722, 13640), (6820, 11444)]