81849240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1879}}^1$

素因数の和:1918

約数の個数: 144

約数和(自身を含む): 292546800

約数和(自身を除く): 210697560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1879, 1980, 2178, 2420, 2904, 3630, 3758, 3960, 4356, 4840, 5445, 5637, 7260, 7516, 8712, 9395, 10890, 11274, 14520, 15032, 16911, 18790, 20669, 21780, 22548, 28185, 33822, 37580, 41338, 43560, 45096, 56370, 62007, 67644, 75160, 82676, 84555, 103345, 112740, 124014, 135288, 165352, 169110, 186021, 206690, 225480, 227359, 248028, 310035, 338220, 372042, 413380, 454718, 496056, 620070, 676440, 682077, 744084, 826760, 909436, 930105, 1136795, 1240140, 1364154, 1488168, 1818872, 1860210, 2046231, 2273590, 2480280, 2728308, 3410385, 3720420, 4092462, 4547180, 5456616, 6820770, 7440840, 8184924, 9094360, 10231155, 13641540, 16369848, 20462310, 27283080, 40924620, 81849240]

約数ペア:

[(1, 81849240), (2, 40924620), (3, 27283080), (4, 20462310), (5, 16369848), (6, 13641540), (8, 10231155), (9, 9094360), (10, 8184924), (11, 7440840), (12, 6820770), (15, 5456616), (18, 4547180), (20, 4092462), (22, 3720420), (24, 3410385), (30, 2728308), (33, 2480280), (36, 2273590), (40, 2046231), (44, 1860210), (45, 1818872), (55, 1488168), (60, 1364154), (66, 1240140), (72, 1136795), (88, 930105), (90, 909436), (99, 826760), (110, 744084), (120, 682077), (121, 676440), (132, 620070), (165, 496056), (180, 454718), (198, 413380), (220, 372042), (242, 338220), (264, 310035), (330, 248028), (360, 227359), (363, 225480), (396, 206690), (440, 186021), (484, 169110), (495, 165352), (605, 135288), (660, 124014), (726, 112740), (792, 103345), (968, 84555), (990, 82676), (1089, 75160), (1210, 67644), (1320, 62007), (1452, 56370), (1815, 45096), (1879, 43560), (1980, 41338), (2178, 37580), (2420, 33822), (2904, 28185), (3630, 22548), (3758, 21780), (3960, 20669), (4356, 18790), (4840, 16911), (5445, 15032), (5637, 14520), (7260, 11274), (7516, 10890), (8712, 9395)]