138431340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2432

約数の個数: 144

約数和(自身を含む): 468205920

約数和(自身を除く): 329774580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2381, 2907, 3060, 3230, 3420, 3876, 4762, 4845, 5814, 6460, 7143, 9524, 9690, 11628, 11905, 14286, 14535, 19380, 21429, 23810, 28572, 29070, 35715, 40477, 42858, 45239, 47620, 58140, 71430, 80954, 85716, 90478, 107145, 121431, 135717, 142860, 161908, 180956, 202385, 214290, 226195, 242862, 271434, 364293, 404770, 407151, 428580, 452390, 485724, 542868, 607155, 678585, 728586, 769063, 809540, 814302, 904780, 1214310, 1357170, 1457172, 1538126, 1628604, 1821465, 2035755, 2307189, 2428620, 2714340, 3076252, 3642930, 3845315, 4071510, 4614378, 6921567, 7285860, 7690630, 8143020, 9228756, 11535945, 13843134, 15381260, 23071890, 27686268, 34607835, 46143780, 69215670, 138431340]

約数ペア:

[(1, 138431340), (2, 69215670), (3, 46143780), (4, 34607835), (5, 27686268), (6, 23071890), (9, 15381260), (10, 13843134), (12, 11535945), (15, 9228756), (17, 8143020), (18, 7690630), (19, 7285860), (20, 6921567), (30, 4614378), (34, 4071510), (36, 3845315), (38, 3642930), (45, 3076252), (51, 2714340), (57, 2428620), (60, 2307189), (68, 2035755), (76, 1821465), (85, 1628604), (90, 1538126), (95, 1457172), (102, 1357170), (114, 1214310), (153, 904780), (170, 814302), (171, 809540), (180, 769063), (190, 728586), (204, 678585), (228, 607155), (255, 542868), (285, 485724), (306, 452390), (323, 428580), (340, 407151), (342, 404770), (380, 364293), (510, 271434), (570, 242862), (612, 226195), (646, 214290), (684, 202385), (765, 180956), (855, 161908), (969, 142860), (1020, 135717), (1140, 121431), (1292, 107145), (1530, 90478), (1615, 85716), (1710, 80954), (1938, 71430), (2381, 58140), (2907, 47620), (3060, 45239), (3230, 42858), (3420, 40477), (3876, 35715), (4762, 29070), (4845, 28572), (5814, 23810), (6460, 21429), (7143, 19380), (9524, 14535), (9690, 14286), (11628, 11905)]