281561940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:579

約数の個数: 192

約数和(自身を含む): 966712320

約数和(自身を除く): 685150380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 107, 108, 110, 132, 135, 165, 180, 198, 214, 220, 270, 297, 321, 330, 396, 428, 443, 495, 535, 540, 594, 642, 660, 886, 963, 990, 1070, 1177, 1188, 1284, 1329, 1485, 1605, 1772, 1926, 1980, 2140, 2215, 2354, 2658, 2889, 2970, 3210, 3531, 3852, 3987, 4430, 4708, 4815, 4873, 5316, 5778, 5885, 5940, 6420, 6645, 7062, 7974, 8860, 9630, 9746, 10593, 11556, 11770, 11961, 13290, 14124, 14445, 14619, 15948, 17655, 19260, 19492, 19935, 21186, 23540, 23922, 24365, 26580, 28890, 29238, 31779, 35310, 39870, 42372, 43857, 47401, 47844, 48730, 52965, 57780, 58476, 59805, 63558, 70620, 73095, 79740, 87714, 94802, 97460, 105930, 119610, 127116, 131571, 142203, 146190, 158895, 175428, 189604, 211860, 219285, 237005, 239220, 263142, 284406, 292380, 317790, 426609, 438570, 474010, 521411, 526284, 568812, 635580, 657855, 711015, 853218, 877140, 948020, 1042822, 1279827, 1315710, 1422030, 1564233, 1706436, 2085644, 2133045, 2559654, 2607055, 2631420, 2844060, 3128466, 4266090, 4692699, 5119308, 5214110, 6256932, 6399135, 7821165, 8532180, 9385398, 10428220, 12798270, 14078097, 15642330, 18770796, 23463495, 25596540, 28156194, 31284660, 46926990, 56312388, 70390485, 93853980, 140780970, 281561940]

約数ペア:

[(1, 281561940), (2, 140780970), (3, 93853980), (4, 70390485), (5, 56312388), (6, 46926990), (9, 31284660), (10, 28156194), (11, 25596540), (12, 23463495), (15, 18770796), (18, 15642330), (20, 14078097), (22, 12798270), (27, 10428220), (30, 9385398), (33, 8532180), (36, 7821165), (44, 6399135), (45, 6256932), (54, 5214110), (55, 5119308), (60, 4692699), (66, 4266090), (90, 3128466), (99, 2844060), (107, 2631420), (108, 2607055), (110, 2559654), (132, 2133045), (135, 2085644), (165, 1706436), (180, 1564233), (198, 1422030), (214, 1315710), (220, 1279827), (270, 1042822), (297, 948020), (321, 877140), (330, 853218), (396, 711015), (428, 657855), (443, 635580), (495, 568812), (535, 526284), (540, 521411), (594, 474010), (642, 438570), (660, 426609), (886, 317790), (963, 292380), (990, 284406), (1070, 263142), (1177, 239220), (1188, 237005), (1284, 219285), (1329, 211860), (1485, 189604), (1605, 175428), (1772, 158895), (1926, 146190), (1980, 142203), (2140, 131571), (2215, 127116), (2354, 119610), (2658, 105930), (2889, 97460), (2970, 94802), (3210, 87714), (3531, 79740), (3852, 73095), (3987, 70620), (4430, 63558), (4708, 59805), (4815, 58476), (4873, 57780), (5316, 52965), (5778, 48730), (5885, 47844), (5940, 47401), (6420, 43857), (6645, 42372), (7062, 39870), (7974, 35310), (8860, 31779), (9630, 29238), (9746, 28890), (10593, 26580), (11556, 24365), (11770, 23922), (11961, 23540), (13290, 21186), (14124, 19935), (14445, 19492), (14619, 19260), (15948, 17655)]