12887010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 34854300

約数和(自身を除く): 21967290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 149, 155, 186, 279, 298, 310, 447, 465, 558, 745, 894, 930, 961, 1341, 1395, 1490, 1922, 2235, 2682, 2790, 2883, 4470, 4619, 4805, 5766, 6705, 8649, 9238, 9610, 13410, 13857, 14415, 17298, 23095, 27714, 28830, 41571, 43245, 46190, 69285, 83142, 86490, 138570, 143189, 207855, 286378, 415710, 429567, 715945, 859134, 1288701, 1431890, 2147835, 2577402, 4295670, 6443505, 12887010]

約数ペア:

[(1, 12887010), (2, 6443505), (3, 4295670), (5, 2577402), (6, 2147835), (9, 1431890), (10, 1288701), (15, 859134), (18, 715945), (30, 429567), (31, 415710), (45, 286378), (62, 207855), (90, 143189), (93, 138570), (149, 86490), (155, 83142), (186, 69285), (279, 46190), (298, 43245), (310, 41571), (447, 28830), (465, 27714), (558, 23095), (745, 17298), (894, 14415), (930, 13857), (961, 13410), (1341, 9610), (1395, 9238), (1490, 8649), (1922, 6705), (2235, 5766), (2682, 4805), (2790, 4619), (2883, 4470)]