163855620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47911}}^1$

素因数の和:47945

約数の個数: 72

約数和(自身を含む): 523199040

約数和(自身を除く): 359343420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 47911, 95822, 143733, 191644, 239555, 287466, 431199, 479110, 574932, 718665, 862398, 910309, 958220, 1437330, 1724796, 1820618, 2155995, 2730927, 2874660, 3641236, 4311990, 4551545, 5461854, 8192781, 8623980, 9103090, 10923708, 13654635, 16385562, 18206180, 27309270, 32771124, 40963905, 54618540, 81927810, 163855620]

約数ペア:

[(1, 163855620), (2, 81927810), (3, 54618540), (4, 40963905), (5, 32771124), (6, 27309270), (9, 18206180), (10, 16385562), (12, 13654635), (15, 10923708), (18, 9103090), (19, 8623980), (20, 8192781), (30, 5461854), (36, 4551545), (38, 4311990), (45, 3641236), (57, 2874660), (60, 2730927), (76, 2155995), (90, 1820618), (95, 1724796), (114, 1437330), (171, 958220), (180, 910309), (190, 862398), (228, 718665), (285, 574932), (342, 479110), (380, 431199), (570, 287466), (684, 239555), (855, 191644), (1140, 143733), (1710, 95822), (3420, 47911)]