81928440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1262

約数の個数: 192

約数和(自身を含む): 307812960

約数和(自身を除く): 225884520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 935, 990, 1020, 1122, 1217, 1224, 1320, 1496, 1530, 1683, 1870, 1980, 2040, 2244, 2434, 2805, 3060, 3366, 3651, 3740, 3960, 4488, 4868, 5610, 6085, 6120, 6732, 7302, 7480, 8415, 9736, 10953, 11220, 12170, 13387, 13464, 14604, 16830, 18255, 20689, 21906, 22440, 24340, 26774, 29208, 33660, 36510, 40161, 41378, 43812, 48680, 53548, 54765, 62067, 66935, 67320, 73020, 80322, 82756, 87624, 103445, 107096, 109530, 120483, 124134, 133870, 146040, 160644, 165512, 186201, 200805, 206890, 219060, 227579, 240966, 248268, 267740, 310335, 321288, 372402, 401610, 413780, 438120, 455158, 481932, 496536, 535480, 602415, 620670, 682737, 744804, 803220, 827560, 910316, 931005, 963864, 1137895, 1204830, 1241340, 1365474, 1489608, 1606440, 1820632, 1862010, 2048211, 2275790, 2409660, 2482680, 2730948, 3413685, 3724020, 4096422, 4551580, 4819320, 5461896, 6827370, 7448040, 8192844, 9103160, 10241055, 13654740, 16385688, 20482110, 27309480, 40964220, 81928440]

約数ペア:

[(1, 81928440), (2, 40964220), (3, 27309480), (4, 20482110), (5, 16385688), (6, 13654740), (8, 10241055), (9, 9103160), (10, 8192844), (11, 7448040), (12, 6827370), (15, 5461896), (17, 4819320), (18, 4551580), (20, 4096422), (22, 3724020), (24, 3413685), (30, 2730948), (33, 2482680), (34, 2409660), (36, 2275790), (40, 2048211), (44, 1862010), (45, 1820632), (51, 1606440), (55, 1489608), (60, 1365474), (66, 1241340), (68, 1204830), (72, 1137895), (85, 963864), (88, 931005), (90, 910316), (99, 827560), (102, 803220), (110, 744804), (120, 682737), (132, 620670), (136, 602415), (153, 535480), (165, 496536), (170, 481932), (180, 455158), (187, 438120), (198, 413780), (204, 401610), (220, 372402), (255, 321288), (264, 310335), (306, 267740), (330, 248268), (340, 240966), (360, 227579), (374, 219060), (396, 206890), (408, 200805), (440, 186201), (495, 165512), (510, 160644), (561, 146040), (612, 133870), (660, 124134), (680, 120483), (748, 109530), (765, 107096), (792, 103445), (935, 87624), (990, 82756), (1020, 80322), (1122, 73020), (1217, 67320), (1224, 66935), (1320, 62067), (1496, 54765), (1530, 53548), (1683, 48680), (1870, 43812), (1980, 41378), (2040, 40161), (2244, 36510), (2434, 33660), (2805, 29208), (3060, 26774), (3366, 24340), (3651, 22440), (3740, 21906), (3960, 20689), (4488, 18255), (4868, 16830), (5610, 14604), (6085, 13464), (6120, 13387), (6732, 12170), (7302, 11220), (7480, 10953), (8415, 9736)]