2687632020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2174

約数の個数: 144

約数和(自身を含む): 8381318400

約数和(自身を除く): 5693686380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 163, 180, 188, 235, 282, 326, 423, 470, 489, 564, 652, 705, 815, 846, 940, 978, 1410, 1467, 1630, 1692, 1949, 1956, 2115, 2445, 2820, 2934, 3260, 3898, 4230, 4890, 5847, 5868, 7335, 7661, 7796, 8460, 9745, 9780, 11694, 14670, 15322, 17541, 19490, 22983, 23388, 29235, 29340, 30644, 35082, 38305, 38980, 45966, 58470, 68949, 70164, 76610, 87705, 91603, 91932, 114915, 116940, 137898, 153220, 175410, 183206, 229830, 274809, 275796, 317687, 344745, 350820, 366412, 458015, 459660, 549618, 635374, 689490, 824427, 916030, 953061, 1099236, 1270748, 1374045, 1378980, 1588435, 1648854, 1832060, 1906122, 2748090, 2859183, 3176870, 3297708, 3812244, 4122135, 4765305, 5496180, 5718366, 6353740, 8244270, 9530610, 11436732, 14295915, 14931289, 16488540, 19061220, 28591830, 29862578, 44793867, 57183660, 59725156, 74656445, 89587734, 134381601, 149312890, 179175468, 223969335, 268763202, 298625780, 447938670, 537526404, 671908005, 895877340, 1343816010, 2687632020]

約数ペア:

[(1, 2687632020), (2, 1343816010), (3, 895877340), (4, 671908005), (5, 537526404), (6, 447938670), (9, 298625780), (10, 268763202), (12, 223969335), (15, 179175468), (18, 149312890), (20, 134381601), (30, 89587734), (36, 74656445), (45, 59725156), (47, 57183660), (60, 44793867), (90, 29862578), (94, 28591830), (141, 19061220), (163, 16488540), (180, 14931289), (188, 14295915), (235, 11436732), (282, 9530610), (326, 8244270), (423, 6353740), (470, 5718366), (489, 5496180), (564, 4765305), (652, 4122135), (705, 3812244), (815, 3297708), (846, 3176870), (940, 2859183), (978, 2748090), (1410, 1906122), (1467, 1832060), (1630, 1648854), (1692, 1588435), (1949, 1378980), (1956, 1374045), (2115, 1270748), (2445, 1099236), (2820, 953061), (2934, 916030), (3260, 824427), (3898, 689490), (4230, 635374), (4890, 549618), (5847, 459660), (5868, 458015), (7335, 366412), (7661, 350820), (7796, 344745), (8460, 317687), (9745, 275796), (9780, 274809), (11694, 229830), (14670, 183206), (15322, 175410), (17541, 153220), (19490, 137898), (22983, 116940), (23388, 114915), (29235, 91932), (29340, 91603), (30644, 87705), (35082, 76610), (38305, 70164), (38980, 68949), (45966, 58470)]