54778140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 144

約数和(自身を含む): 180502560

約数和(自身を除く): 125724420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 281, 285, 342, 361, 380, 513, 540, 562, 570, 684, 722, 843, 855, 1026, 1083, 1124, 1140, 1405, 1444, 1686, 1710, 1805, 2052, 2166, 2529, 2565, 2810, 3249, 3372, 3420, 3610, 4215, 4332, 5058, 5130, 5339, 5415, 5620, 6498, 7220, 7587, 8430, 9747, 10116, 10260, 10678, 10830, 12645, 12996, 15174, 16017, 16245, 16860, 19494, 21356, 21660, 25290, 26695, 30348, 32034, 32490, 37935, 38988, 48051, 48735, 50580, 53390, 64068, 64980, 75870, 80085, 96102, 97470, 101441, 106780, 144153, 151740, 160170, 192204, 194940, 202882, 240255, 288306, 304323, 320340, 405764, 480510, 507205, 576612, 608646, 720765, 912969, 961020, 1014410, 1217292, 1441530, 1521615, 1825938, 2028820, 2738907, 2883060, 3043230, 3651876, 4564845, 5477814, 6086460, 9129690, 10955628, 13694535, 18259380, 27389070, 54778140]

約数ペア:

[(1, 54778140), (2, 27389070), (3, 18259380), (4, 13694535), (5, 10955628), (6, 9129690), (9, 6086460), (10, 5477814), (12, 4564845), (15, 3651876), (18, 3043230), (19, 2883060), (20, 2738907), (27, 2028820), (30, 1825938), (36, 1521615), (38, 1441530), (45, 1217292), (54, 1014410), (57, 961020), (60, 912969), (76, 720765), (90, 608646), (95, 576612), (108, 507205), (114, 480510), (135, 405764), (171, 320340), (180, 304323), (190, 288306), (228, 240255), (270, 202882), (281, 194940), (285, 192204), (342, 160170), (361, 151740), (380, 144153), (513, 106780), (540, 101441), (562, 97470), (570, 96102), (684, 80085), (722, 75870), (843, 64980), (855, 64068), (1026, 53390), (1083, 50580), (1124, 48735), (1140, 48051), (1405, 38988), (1444, 37935), (1686, 32490), (1710, 32034), (1805, 30348), (2052, 26695), (2166, 25290), (2529, 21660), (2565, 21356), (2810, 19494), (3249, 16860), (3372, 16245), (3420, 16017), (3610, 15174), (4215, 12996), (4332, 12645), (5058, 10830), (5130, 10678), (5339, 10260), (5415, 10116), (5620, 9747), (6498, 8430), (7220, 7587)]