25453680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 91660800

約数和(自身を除く): 66207120

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, 56, 60, 70, 80, 84, 105, 109, 112, 120, 139, 140, 168, 210, 218, 240, 278, 280, 327, 336, 417, 420, 436, 545, 556, 560, 654, 695, 763, 834, 840, 872, 973, 1090, 1112, 1308, 1390, 1526, 1635, 1668, 1680, 1744, 1946, 2085, 2180, 2224, 2289, 2616, 2780, 2919, 3052, 3270, 3336, 3815, 3892, 4170, 4360, 4578, 4865, 5232, 5560, 5838, 6104, 6540, 6672, 7630, 7784, 8340, 8720, 9156, 9730, 11120, 11445, 11676, 12208, 13080, 14595, 15151, 15260, 15568, 16680, 18312, 19460, 22890, 23352, 26160, 29190, 30302, 30520, 33360, 36624, 38920, 45453, 45780, 46704, 58380, 60604, 61040, 75755, 77840, 90906, 91560, 106057, 116760, 121208, 151510, 181812, 183120, 212114, 227265, 233520, 242416, 303020, 318171, 363624, 424228, 454530, 530285, 606040, 636342, 727248, 848456, 909060, 1060570, 1212080, 1272684, 1590855, 1696912, 1818120, 2121140, 2545368, 3181710, 3636240, 4242280, 5090736, 6363420, 8484560, 12726840, 25453680]

約数ペア:

[(1, 25453680), (2, 12726840), (3, 8484560), (4, 6363420), (5, 5090736), (6, 4242280), (7, 3636240), (8, 3181710), (10, 2545368), (12, 2121140), (14, 1818120), (15, 1696912), (16, 1590855), (20, 1272684), (21, 1212080), (24, 1060570), (28, 909060), (30, 848456), (35, 727248), (40, 636342), (42, 606040), (48, 530285), (56, 454530), (60, 424228), (70, 363624), (80, 318171), (84, 303020), (105, 242416), (109, 233520), (112, 227265), (120, 212114), (139, 183120), (140, 181812), (168, 151510), (210, 121208), (218, 116760), (240, 106057), (278, 91560), (280, 90906), (327, 77840), (336, 75755), (417, 61040), (420, 60604), (436, 58380), (545, 46704), (556, 45780), (560, 45453), (654, 38920), (695, 36624), (763, 33360), (834, 30520), (840, 30302), (872, 29190), (973, 26160), (1090, 23352), (1112, 22890), (1308, 19460), (1390, 18312), (1526, 16680), (1635, 15568), (1668, 15260), (1680, 15151), (1744, 14595), (1946, 13080), (2085, 12208), (2180, 11676), (2224, 11445), (2289, 11120), (2616, 9730), (2780, 9156), (2919, 8720), (3052, 8340), (3270, 7784), (3336, 7630), (3815, 6672), (3892, 6540), (4170, 6104), (4360, 5838), (4578, 5560), (4865, 5232)]