74833020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21915

約数の個数: 72

約数和(自身を含む): 238951440

約数和(自身を除く): 164118420

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, 21881, 43762, 65643, 87524, 109405, 131286, 196929, 218810, 262572, 328215, 393858, 415739, 437620, 656430, 787716, 831478, 984645, 1247217, 1312860, 1662956, 1969290, 2078695, 2494434, 3741651, 3938580, 4157390, 4988868, 6236085, 7483302, 8314780, 12472170, 14966604, 18708255, 24944340, 37416510, 74833020]

約数ペア:

[(1, 74833020), (2, 37416510), (3, 24944340), (4, 18708255), (5, 14966604), (6, 12472170), (9, 8314780), (10, 7483302), (12, 6236085), (15, 4988868), (18, 4157390), (19, 3938580), (20, 3741651), (30, 2494434), (36, 2078695), (38, 1969290), (45, 1662956), (57, 1312860), (60, 1247217), (76, 984645), (90, 831478), (95, 787716), (114, 656430), (171, 437620), (180, 415739), (190, 393858), (228, 328215), (285, 262572), (342, 218810), (380, 196929), (570, 131286), (684, 109405), (855, 87524), (1140, 65643), (1710, 43762), (3420, 21881)]