80353240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 209848320

約数和(自身を除く): 129495080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 43, 44, 55, 62, 86, 88, 110, 124, 137, 155, 172, 215, 220, 248, 274, 310, 341, 344, 430, 440, 473, 548, 620, 682, 685, 860, 946, 1096, 1240, 1333, 1364, 1370, 1507, 1705, 1720, 1892, 2365, 2666, 2728, 2740, 3014, 3410, 3784, 4247, 4730, 5332, 5480, 5891, 6028, 6665, 6820, 7535, 8494, 9460, 10664, 11782, 12056, 13330, 13640, 14663, 15070, 16988, 18920, 21235, 23564, 26660, 29326, 29455, 30140, 33976, 42470, 46717, 47128, 53320, 58652, 58910, 60280, 64801, 73315, 84940, 93434, 117304, 117820, 129602, 146630, 169880, 182621, 186868, 233585, 235640, 259204, 293260, 324005, 365242, 373736, 467170, 518408, 586520, 648010, 730484, 913105, 934340, 1296020, 1460968, 1826210, 1868680, 2008831, 2592040, 3652420, 4017662, 7304840, 8035324, 10044155, 16070648, 20088310, 40176620, 80353240]

約数ペア:

[(1, 80353240), (2, 40176620), (4, 20088310), (5, 16070648), (8, 10044155), (10, 8035324), (11, 7304840), (20, 4017662), (22, 3652420), (31, 2592040), (40, 2008831), (43, 1868680), (44, 1826210), (55, 1460968), (62, 1296020), (86, 934340), (88, 913105), (110, 730484), (124, 648010), (137, 586520), (155, 518408), (172, 467170), (215, 373736), (220, 365242), (248, 324005), (274, 293260), (310, 259204), (341, 235640), (344, 233585), (430, 186868), (440, 182621), (473, 169880), (548, 146630), (620, 129602), (682, 117820), (685, 117304), (860, 93434), (946, 84940), (1096, 73315), (1240, 64801), (1333, 60280), (1364, 58910), (1370, 58652), (1507, 53320), (1705, 47128), (1720, 46717), (1892, 42470), (2365, 33976), (2666, 30140), (2728, 29455), (2740, 29326), (3014, 26660), (3410, 23564), (3784, 21235), (4247, 18920), (4730, 16988), (5332, 15070), (5480, 14663), (5891, 13640), (6028, 13330), (6665, 12056), (6820, 11782), (7535, 10664), (8494, 9460)]