202905180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:864

約数の個数: 144

約数和(自身を含む): 656947200

約数和(自身を除く): 454042020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 570, 684, 711, 751, 790, 855, 948, 1140, 1185, 1422, 1501, 1502, 1580, 1710, 2253, 2370, 2844, 3002, 3004, 3420, 3555, 3755, 4503, 4506, 4740, 6004, 6759, 7110, 7505, 7510, 9006, 9012, 11265, 13509, 13518, 14220, 14269, 15010, 15020, 18012, 22515, 22530, 27018, 27036, 28538, 30020, 33795, 42807, 45030, 45060, 54036, 57076, 59329, 67545, 67590, 71345, 85614, 90060, 118658, 128421, 135090, 135180, 142690, 171228, 177987, 214035, 237316, 256842, 270180, 285380, 296645, 355974, 428070, 513684, 533961, 593290, 642105, 711948, 856140, 889935, 1067922, 1127251, 1186580, 1284210, 1779870, 2135844, 2254502, 2568420, 2669805, 3381753, 3559740, 4509004, 5339610, 5636255, 6763506, 10145259, 10679220, 11272510, 13527012, 16908765, 20290518, 22545020, 33817530, 40581036, 50726295, 67635060, 101452590, 202905180]

約数ペア:

[(1, 202905180), (2, 101452590), (3, 67635060), (4, 50726295), (5, 40581036), (6, 33817530), (9, 22545020), (10, 20290518), (12, 16908765), (15, 13527012), (18, 11272510), (19, 10679220), (20, 10145259), (30, 6763506), (36, 5636255), (38, 5339610), (45, 4509004), (57, 3559740), (60, 3381753), (76, 2669805), (79, 2568420), (90, 2254502), (95, 2135844), (114, 1779870), (158, 1284210), (171, 1186580), (180, 1127251), (190, 1067922), (228, 889935), (237, 856140), (285, 711948), (316, 642105), (342, 593290), (380, 533961), (395, 513684), (474, 428070), (570, 355974), (684, 296645), (711, 285380), (751, 270180), (790, 256842), (855, 237316), (948, 214035), (1140, 177987), (1185, 171228), (1422, 142690), (1501, 135180), (1502, 135090), (1580, 128421), (1710, 118658), (2253, 90060), (2370, 85614), (2844, 71345), (3002, 67590), (3004, 67545), (3420, 59329), (3555, 57076), (3755, 54036), (4503, 45060), (4506, 45030), (4740, 42807), (6004, 33795), (6759, 30020), (7110, 28538), (7505, 27036), (7510, 27018), (9006, 22530), (9012, 22515), (11265, 18012), (13509, 15020), (13518, 15010), (14220, 14269)]