20512508580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1883

約数の個数: 192

約数和(自身を含む): 64683360000

約数和(自身を除く): 44170851420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 179, 180, 270, 274, 358, 411, 537, 540, 548, 685, 716, 822, 895, 1074, 1233, 1370, 1549, 1611, 1644, 1790, 2055, 2148, 2466, 2685, 2740, 3098, 3222, 3580, 3699, 4110, 4647, 4833, 4932, 5370, 6165, 6196, 6444, 7398, 7745, 8055, 8220, 9294, 9666, 10740, 12330, 13941, 14796, 15490, 16110, 18495, 18588, 19332, 23235, 24165, 24523, 24660, 27882, 30980, 32220, 36990, 41823, 46470, 48330, 49046, 55764, 69705, 73569, 73980, 83646, 92940, 96660, 98092, 122615, 139410, 147138, 167292, 209115, 212213, 220707, 245230, 277271, 278820, 294276, 367845, 418230, 424426, 441414, 490460, 554542, 636639, 662121, 735690, 831813, 836460, 848852, 882828, 1061065, 1103535, 1109084, 1273278, 1324242, 1386355, 1471380, 1663626, 1909917, 2122130, 2207070, 2495439, 2546556, 2648484, 2772710, 3183195, 3310605, 3327252, 3819834, 4159065, 4244260, 4414140, 4990878, 5545420, 5729751, 6366390, 6621210, 7486317, 7639668, 8318130, 9549585, 9981756, 11459502, 12477195, 12732780, 13242420, 14972634, 16636260, 19099170, 22919004, 24954390, 28648755, 29945268, 37431585, 37986127, 38198340, 49908780, 57297510, 74863170, 75972254, 113958381, 114595020, 149726340, 151944508, 189930635, 227916762, 341875143, 379861270, 455833524, 569791905, 683750286, 759722540, 1025625429, 1139583810, 1367500572, 1709375715, 2051250858, 2279167620, 3418751430, 4102501716, 5128127145, 6837502860, 10256254290, 20512508580]

約数ペア:

[(1, 20512508580), (2, 10256254290), (3, 6837502860), (4, 5128127145), (5, 4102501716), (6, 3418751430), (9, 2279167620), (10, 2051250858), (12, 1709375715), (15, 1367500572), (18, 1139583810), (20, 1025625429), (27, 759722540), (30, 683750286), (36, 569791905), (45, 455833524), (54, 379861270), (60, 341875143), (90, 227916762), (108, 189930635), (135, 151944508), (137, 149726340), (179, 114595020), (180, 113958381), (270, 75972254), (274, 74863170), (358, 57297510), (411, 49908780), (537, 38198340), (540, 37986127), (548, 37431585), (685, 29945268), (716, 28648755), (822, 24954390), (895, 22919004), (1074, 19099170), (1233, 16636260), (1370, 14972634), (1549, 13242420), (1611, 12732780), (1644, 12477195), (1790, 11459502), (2055, 9981756), (2148, 9549585), (2466, 8318130), (2685, 7639668), (2740, 7486317), (3098, 6621210), (3222, 6366390), (3580, 5729751), (3699, 5545420), (4110, 4990878), (4647, 4414140), (4833, 4244260), (4932, 4159065), (5370, 3819834), (6165, 3327252), (6196, 3310605), (6444, 3183195), (7398, 2772710), (7745, 2648484), (8055, 2546556), (8220, 2495439), (9294, 2207070), (9666, 2122130), (10740, 1909917), (12330, 1663626), (13941, 1471380), (14796, 1386355), (15490, 1324242), (16110, 1273278), (18495, 1109084), (18588, 1103535), (19332, 1061065), (23235, 882828), (24165, 848852), (24523, 836460), (24660, 831813), (27882, 735690), (30980, 662121), (32220, 636639), (36990, 554542), (41823, 490460), (46470, 441414), (48330, 424426), (49046, 418230), (55764, 367845), (69705, 294276), (73569, 278820), (73980, 277271), (83646, 245230), (92940, 220707), (96660, 212213), (98092, 209115), (122615, 167292), (139410, 147138)]