40989960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{941}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 146584620

約数和(自身を除く): 105594660

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, 941, 968, 990, 1089, 1210, 1320, 1452, 1815, 1882, 1980, 2178, 2420, 2823, 2904, 3630, 3764, 3960, 4356, 4705, 4840, 5445, 5646, 7260, 7528, 8469, 8712, 9410, 10351, 10890, 11292, 14115, 14520, 16938, 18820, 20702, 21780, 22584, 28230, 31053, 33876, 37640, 41404, 42345, 43560, 51755, 56460, 62106, 67752, 82808, 84690, 93159, 103510, 112920, 113861, 124212, 155265, 169380, 186318, 207020, 227722, 248424, 310530, 338760, 341583, 372636, 414040, 455444, 465795, 569305, 621060, 683166, 745272, 910888, 931590, 1024749, 1138610, 1242120, 1366332, 1707915, 1863180, 2049498, 2277220, 2732664, 3415830, 3726360, 4098996, 4554440, 5123745, 6831660, 8197992, 10247490, 13663320, 20494980, 40989960]

約数ペア:

[(1, 40989960), (2, 20494980), (3, 13663320), (4, 10247490), (5, 8197992), (6, 6831660), (8, 5123745), (9, 4554440), (10, 4098996), (11, 3726360), (12, 3415830), (15, 2732664), (18, 2277220), (20, 2049498), (22, 1863180), (24, 1707915), (30, 1366332), (33, 1242120), (36, 1138610), (40, 1024749), (44, 931590), (45, 910888), (55, 745272), (60, 683166), (66, 621060), (72, 569305), (88, 465795), (90, 455444), (99, 414040), (110, 372636), (120, 341583), (121, 338760), (132, 310530), (165, 248424), (180, 227722), (198, 207020), (220, 186318), (242, 169380), (264, 155265), (330, 124212), (360, 113861), (363, 112920), (396, 103510), (440, 93159), (484, 84690), (495, 82808), (605, 67752), (660, 62106), (726, 56460), (792, 51755), (941, 43560), (968, 42345), (990, 41404), (1089, 37640), (1210, 33876), (1320, 31053), (1452, 28230), (1815, 22584), (1882, 21780), (1980, 20702), (2178, 18820), (2420, 16938), (2823, 14520), (2904, 14115), (3630, 11292), (3764, 10890), (3960, 10351), (4356, 9410), (4705, 8712), (4840, 8469), (5445, 7528), (5646, 7260)]