240494040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^2$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 800869680

約数和(自身を除く): 560375640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 97, 120, 142, 180, 194, 213, 284, 291, 355, 360, 388, 426, 485, 568, 582, 639, 710, 776, 852, 873, 970, 1065, 1164, 1278, 1420, 1455, 1704, 1746, 1940, 2130, 2328, 2556, 2840, 2910, 3195, 3492, 3880, 4260, 4365, 5112, 5820, 6390, 6887, 6984, 8520, 8730, 9409, 11640, 12780, 13774, 17460, 18818, 20661, 25560, 27548, 28227, 34435, 34920, 37636, 41322, 47045, 55096, 56454, 61983, 68870, 75272, 82644, 84681, 94090, 103305, 112908, 123966, 137740, 141135, 165288, 169362, 188180, 206610, 225816, 247932, 275480, 282270, 309915, 338724, 376360, 413220, 423405, 495864, 564540, 619830, 668039, 677448, 826440, 846810, 1129080, 1239660, 1336078, 1693620, 2004117, 2479320, 2672156, 3340195, 3387240, 4008234, 5344312, 6012351, 6680390, 8016468, 10020585, 12024702, 13360780, 16032936, 20041170, 24049404, 26721560, 30061755, 40082340, 48098808, 60123510, 80164680, 120247020, 240494040]

約数ペア:

[(1, 240494040), (2, 120247020), (3, 80164680), (4, 60123510), (5, 48098808), (6, 40082340), (8, 30061755), (9, 26721560), (10, 24049404), (12, 20041170), (15, 16032936), (18, 13360780), (20, 12024702), (24, 10020585), (30, 8016468), (36, 6680390), (40, 6012351), (45, 5344312), (60, 4008234), (71, 3387240), (72, 3340195), (90, 2672156), (97, 2479320), (120, 2004117), (142, 1693620), (180, 1336078), (194, 1239660), (213, 1129080), (284, 846810), (291, 826440), (355, 677448), (360, 668039), (388, 619830), (426, 564540), (485, 495864), (568, 423405), (582, 413220), (639, 376360), (710, 338724), (776, 309915), (852, 282270), (873, 275480), (970, 247932), (1065, 225816), (1164, 206610), (1278, 188180), (1420, 169362), (1455, 165288), (1704, 141135), (1746, 137740), (1940, 123966), (2130, 112908), (2328, 103305), (2556, 94090), (2840, 84681), (2910, 82644), (3195, 75272), (3492, 68870), (3880, 61983), (4260, 56454), (4365, 55096), (5112, 47045), (5820, 41322), (6390, 37636), (6887, 34920), (6984, 34435), (8520, 28227), (8730, 27548), (9409, 25560), (11640, 20661), (12780, 18818), (13774, 17460)]