109375020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31981}}^1$

素因数の和:32015

約数の個数: 72

約数和(自身を含む): 349243440

約数和(自身を除く): 239868420

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, 31981, 63962, 95943, 127924, 159905, 191886, 287829, 319810, 383772, 479715, 575658, 607639, 639620, 959430, 1151316, 1215278, 1439145, 1822917, 1918860, 2430556, 2878290, 3038195, 3645834, 5468751, 5756580, 6076390, 7291668, 9114585, 10937502, 12152780, 18229170, 21875004, 27343755, 36458340, 54687510, 109375020]

約数ペア:

[(1, 109375020), (2, 54687510), (3, 36458340), (4, 27343755), (5, 21875004), (6, 18229170), (9, 12152780), (10, 10937502), (12, 9114585), (15, 7291668), (18, 6076390), (19, 5756580), (20, 5468751), (30, 3645834), (36, 3038195), (38, 2878290), (45, 2430556), (57, 1918860), (60, 1822917), (76, 1439145), (90, 1215278), (95, 1151316), (114, 959430), (171, 639620), (180, 607639), (190, 575658), (228, 479715), (285, 383772), (342, 319810), (380, 287829), (570, 191886), (684, 159905), (855, 127924), (1140, 95943), (1710, 63962), (3420, 31981)]