639241920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1283}}^1$

素因数の和:1479

約数の個数: 168

約数和(自身を含む): 2213158896

約数和(自身を除く): 1573916976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 173, 180, 192, 240, 288, 320, 346, 360, 480, 519, 576, 692, 720, 865, 960, 1038, 1283, 1384, 1440, 1557, 1730, 2076, 2566, 2595, 2768, 2880, 3114, 3460, 3849, 4152, 5132, 5190, 5536, 6228, 6415, 6920, 7698, 7785, 8304, 10264, 10380, 11072, 11547, 12456, 12830, 13840, 15396, 15570, 16608, 19245, 20528, 20760, 23094, 24912, 25660, 27680, 30792, 31140, 33216, 38490, 41056, 41520, 46188, 49824, 51320, 55360, 57735, 61584, 62280, 76980, 82112, 83040, 92376, 99648, 102640, 115470, 123168, 124560, 153960, 166080, 184752, 205280, 221959, 230940, 246336, 249120, 307920, 369504, 410560, 443918, 461880, 498240, 615840, 665877, 739008, 887836, 923760, 1109795, 1231680, 1331754, 1775672, 1847520, 1997631, 2219590, 2663508, 3329385, 3551344, 3695040, 3995262, 4439180, 5327016, 6658770, 7102688, 7990524, 8878360, 9988155, 10654032, 13317540, 14205376, 15981048, 17756720, 19976310, 21308064, 26635080, 31962096, 35513440, 39952620, 42616128, 53270160, 63924192, 71026880, 79905240, 106540320, 127848384, 159810480, 213080640, 319620960, 639241920]

約数ペア:

[(1, 639241920), (2, 319620960), (3, 213080640), (4, 159810480), (5, 127848384), (6, 106540320), (8, 79905240), (9, 71026880), (10, 63924192), (12, 53270160), (15, 42616128), (16, 39952620), (18, 35513440), (20, 31962096), (24, 26635080), (30, 21308064), (32, 19976310), (36, 17756720), (40, 15981048), (45, 14205376), (48, 13317540), (60, 10654032), (64, 9988155), (72, 8878360), (80, 7990524), (90, 7102688), (96, 6658770), (120, 5327016), (144, 4439180), (160, 3995262), (173, 3695040), (180, 3551344), (192, 3329385), (240, 2663508), (288, 2219590), (320, 1997631), (346, 1847520), (360, 1775672), (480, 1331754), (519, 1231680), (576, 1109795), (692, 923760), (720, 887836), (865, 739008), (960, 665877), (1038, 615840), (1283, 498240), (1384, 461880), (1440, 443918), (1557, 410560), (1730, 369504), (2076, 307920), (2566, 249120), (2595, 246336), (2768, 230940), (2880, 221959), (3114, 205280), (3460, 184752), (3849, 166080), (4152, 153960), (5132, 124560), (5190, 123168), (5536, 115470), (6228, 102640), (6415, 99648), (6920, 92376), (7698, 83040), (7785, 82112), (8304, 76980), (10264, 62280), (10380, 61584), (11072, 57735), (11547, 55360), (12456, 51320), (12830, 49824), (13840, 46188), (15396, 41520), (15570, 41056), (16608, 38490), (19245, 33216), (20528, 31140), (20760, 30792), (23094, 27680), (24912, 25660)]