131434020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38431}}^1$

素因数の和:38465

約数の個数: 72

約数和(自身を含む): 419677440

約数和(自身を除く): 288243420

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, 38431, 76862, 115293, 153724, 192155, 230586, 345879, 384310, 461172, 576465, 691758, 730189, 768620, 1152930, 1383516, 1460378, 1729395, 2190567, 2305860, 2920756, 3458790, 3650945, 4381134, 6571701, 6917580, 7301890, 8762268, 10952835, 13143402, 14603780, 21905670, 26286804, 32858505, 43811340, 65717010, 131434020]

約数ペア:

[(1, 131434020), (2, 65717010), (3, 43811340), (4, 32858505), (5, 26286804), (6, 21905670), (9, 14603780), (10, 13143402), (12, 10952835), (15, 8762268), (18, 7301890), (19, 6917580), (20, 6571701), (30, 4381134), (36, 3650945), (38, 3458790), (45, 2920756), (57, 2305860), (60, 2190567), (76, 1729395), (90, 1460378), (95, 1383516), (114, 1152930), (171, 768620), (180, 730189), (190, 691758), (228, 576465), (285, 461172), (342, 384310), (380, 345879), (570, 230586), (684, 192155), (855, 153724), (1140, 115293), (1710, 76862), (3420, 38431)]