128041380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 423259200

約数和(自身を除く): 295217820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 1044, 1102, 1140, 1291, 1305, 1653, 1710, 1740, 2204, 2582, 2610, 2755, 3306, 3420, 3873, 4959, 5164, 5220, 5510, 6455, 6612, 7746, 8265, 9918, 11020, 11619, 12910, 15492, 16530, 19365, 19836, 23238, 24529, 24795, 25820, 33060, 37439, 38730, 46476, 49058, 49590, 58095, 73587, 74878, 77460, 98116, 99180, 112317, 116190, 122645, 147174, 149756, 187195, 220761, 224634, 232380, 245290, 294348, 336951, 367935, 374390, 441522, 449268, 490580, 561585, 673902, 711341, 735870, 748780, 883044, 1103805, 1123170, 1347804, 1422682, 1471740, 1684755, 2134023, 2207610, 2246340, 2845364, 3369510, 3556705, 4268046, 4415220, 6402069, 6739020, 7113410, 8536092, 10670115, 12804138, 14226820, 21340230, 25608276, 32010345, 42680460, 64020690, 128041380]

約数ペア:

[(1, 128041380), (2, 64020690), (3, 42680460), (4, 32010345), (5, 25608276), (6, 21340230), (9, 14226820), (10, 12804138), (12, 10670115), (15, 8536092), (18, 7113410), (19, 6739020), (20, 6402069), (29, 4415220), (30, 4268046), (36, 3556705), (38, 3369510), (45, 2845364), (57, 2246340), (58, 2207610), (60, 2134023), (76, 1684755), (87, 1471740), (90, 1422682), (95, 1347804), (114, 1123170), (116, 1103805), (145, 883044), (171, 748780), (174, 735870), (180, 711341), (190, 673902), (228, 561585), (261, 490580), (285, 449268), (290, 441522), (342, 374390), (348, 367935), (380, 336951), (435, 294348), (522, 245290), (551, 232380), (570, 224634), (580, 220761), (684, 187195), (855, 149756), (870, 147174), (1044, 122645), (1102, 116190), (1140, 112317), (1291, 99180), (1305, 98116), (1653, 77460), (1710, 74878), (1740, 73587), (2204, 58095), (2582, 49590), (2610, 49058), (2755, 46476), (3306, 38730), (3420, 37439), (3873, 33060), (4959, 25820), (5164, 24795), (5220, 24529), (5510, 23238), (6455, 19836), (6612, 19365), (7746, 16530), (8265, 15492), (9918, 12910), (11020, 11619)]