15242640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 55520256

約数和(自身を除く): 40277616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 211, 215, 240, 258, 280, 301, 336, 344, 420, 422, 430, 516, 560, 602, 633, 645, 688, 840, 844, 860, 903, 1032, 1055, 1204, 1266, 1290, 1477, 1505, 1680, 1688, 1720, 1806, 2064, 2110, 2408, 2532, 2580, 2954, 3010, 3165, 3376, 3440, 3612, 4220, 4431, 4515, 4816, 5064, 5160, 5908, 6020, 6330, 7224, 7385, 8440, 8862, 9030, 9073, 10128, 10320, 11816, 12040, 12660, 14448, 14770, 16880, 17724, 18060, 18146, 22155, 23632, 24080, 25320, 27219, 29540, 35448, 36120, 36292, 44310, 45365, 50640, 54438, 59080, 63511, 70896, 72240, 72584, 88620, 90730, 108876, 118160, 127022, 136095, 145168, 177240, 181460, 190533, 217752, 254044, 272190, 317555, 354480, 362920, 381066, 435504, 508088, 544380, 635110, 725840, 762132, 952665, 1016176, 1088760, 1270220, 1524264, 1905330, 2177520, 2540440, 3048528, 3810660, 5080880, 7621320, 15242640]

約数ペア:

[(1, 15242640), (2, 7621320), (3, 5080880), (4, 3810660), (5, 3048528), (6, 2540440), (7, 2177520), (8, 1905330), (10, 1524264), (12, 1270220), (14, 1088760), (15, 1016176), (16, 952665), (20, 762132), (21, 725840), (24, 635110), (28, 544380), (30, 508088), (35, 435504), (40, 381066), (42, 362920), (43, 354480), (48, 317555), (56, 272190), (60, 254044), (70, 217752), (80, 190533), (84, 181460), (86, 177240), (105, 145168), (112, 136095), (120, 127022), (129, 118160), (140, 108876), (168, 90730), (172, 88620), (210, 72584), (211, 72240), (215, 70896), (240, 63511), (258, 59080), (280, 54438), (301, 50640), (336, 45365), (344, 44310), (420, 36292), (422, 36120), (430, 35448), (516, 29540), (560, 27219), (602, 25320), (633, 24080), (645, 23632), (688, 22155), (840, 18146), (844, 18060), (860, 17724), (903, 16880), (1032, 14770), (1055, 14448), (1204, 12660), (1266, 12040), (1290, 11816), (1477, 10320), (1505, 10128), (1680, 9073), (1688, 9030), (1720, 8862), (1806, 8440), (2064, 7385), (2110, 7224), (2408, 6330), (2532, 6020), (2580, 5908), (2954, 5160), (3010, 5064), (3165, 4816), (3376, 4515), (3440, 4431), (3612, 4220)]