81633420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:547

約数の個数: 168

約数和(自身を含む): 280944720

約数和(自身を除く): 199311300

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, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 396, 405, 486, 495, 509, 540, 594, 660, 729, 810, 891, 972, 990, 1018, 1188, 1215, 1458, 1485, 1527, 1620, 1782, 1980, 2036, 2430, 2545, 2673, 2916, 2970, 3054, 3564, 3645, 4455, 4581, 4860, 5090, 5346, 5599, 5940, 6108, 7290, 7635, 8019, 8910, 9162, 10180, 10692, 11198, 13365, 13743, 14580, 15270, 16038, 16797, 17820, 18324, 22396, 22905, 26730, 27486, 27995, 30540, 32076, 33594, 40095, 41229, 45810, 50391, 53460, 54972, 55990, 67188, 68715, 80190, 82458, 83985, 91620, 100782, 111980, 123687, 137430, 151173, 160380, 164916, 167970, 201564, 206145, 247374, 251955, 274860, 302346, 335940, 371061, 412290, 453519, 494748, 503910, 604692, 618435, 742122, 755865, 824580, 907038, 1007820, 1236870, 1360557, 1484244, 1511730, 1814076, 1855305, 2267595, 2473740, 2721114, 3023460, 3710610, 4081671, 4535190, 5442228, 6802785, 7421220, 8163342, 9070380, 13605570, 16326684, 20408355, 27211140, 40816710, 81633420]

約数ペア:

[(1, 81633420), (2, 40816710), (3, 27211140), (4, 20408355), (5, 16326684), (6, 13605570), (9, 9070380), (10, 8163342), (11, 7421220), (12, 6802785), (15, 5442228), (18, 4535190), (20, 4081671), (22, 3710610), (27, 3023460), (30, 2721114), (33, 2473740), (36, 2267595), (44, 1855305), (45, 1814076), (54, 1511730), (55, 1484244), (60, 1360557), (66, 1236870), (81, 1007820), (90, 907038), (99, 824580), (108, 755865), (110, 742122), (132, 618435), (135, 604692), (162, 503910), (165, 494748), (180, 453519), (198, 412290), (220, 371061), (243, 335940), (270, 302346), (297, 274860), (324, 251955), (330, 247374), (396, 206145), (405, 201564), (486, 167970), (495, 164916), (509, 160380), (540, 151173), (594, 137430), (660, 123687), (729, 111980), (810, 100782), (891, 91620), (972, 83985), (990, 82458), (1018, 80190), (1188, 68715), (1215, 67188), (1458, 55990), (1485, 54972), (1527, 53460), (1620, 50391), (1782, 45810), (1980, 41229), (2036, 40095), (2430, 33594), (2545, 32076), (2673, 30540), (2916, 27995), (2970, 27486), (3054, 26730), (3564, 22905), (3645, 22396), (4455, 18324), (4581, 17820), (4860, 16797), (5090, 16038), (5346, 15270), (5599, 14580), (5940, 13743), (6108, 13365), (7290, 11198), (7635, 10692), (8019, 10180), (8910, 9162)]