81273360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6911}}^1$

素因数の和:6941

約数の個数: 120

約数和(自身を含む): 293124096

約数和(自身を除く): 211850736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 6911, 11760, 13822, 20733, 27644, 34555, 41466, 48377, 55288, 69110, 82932, 96754, 103665, 110576, 138220, 145131, 165864, 193508, 207330, 241885, 276440, 290262, 331728, 338639, 387016, 414660, 483770, 552880, 580524, 677278, 725655, 774032, 829320, 967540, 1015917, 1161048, 1354556, 1451310, 1658640, 1693195, 1935080, 2031834, 2322096, 2709112, 2902620, 3386390, 3870160, 4063668, 5079585, 5418224, 5805240, 6772780, 8127336, 10159170, 11610480, 13545560, 16254672, 20318340, 27091120, 40636680, 81273360]

約数ペア:

[(1, 81273360), (2, 40636680), (3, 27091120), (4, 20318340), (5, 16254672), (6, 13545560), (7, 11610480), (8, 10159170), (10, 8127336), (12, 6772780), (14, 5805240), (15, 5418224), (16, 5079585), (20, 4063668), (21, 3870160), (24, 3386390), (28, 2902620), (30, 2709112), (35, 2322096), (40, 2031834), (42, 1935080), (48, 1693195), (49, 1658640), (56, 1451310), (60, 1354556), (70, 1161048), (80, 1015917), (84, 967540), (98, 829320), (105, 774032), (112, 725655), (120, 677278), (140, 580524), (147, 552880), (168, 483770), (196, 414660), (210, 387016), (240, 338639), (245, 331728), (280, 290262), (294, 276440), (336, 241885), (392, 207330), (420, 193508), (490, 165864), (560, 145131), (588, 138220), (735, 110576), (784, 103665), (840, 96754), (980, 82932), (1176, 69110), (1470, 55288), (1680, 48377), (1960, 41466), (2352, 34555), (2940, 27644), (3920, 20733), (5880, 13822), (6911, 11760)]