88705980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 298142208

約数和(自身を除く): 209436228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 631, 639, 660, 710, 781, 852, 990, 1065, 1262, 1278, 1420, 1562, 1893, 1980, 2130, 2343, 2524, 2556, 3124, 3155, 3195, 3786, 3905, 4260, 4686, 5679, 6310, 6390, 6941, 7029, 7572, 7810, 9372, 9465, 11358, 11715, 12620, 12780, 13882, 14058, 15620, 18930, 20823, 22716, 23430, 27764, 28116, 28395, 34705, 35145, 37860, 41646, 44801, 46860, 56790, 62469, 69410, 70290, 83292, 89602, 104115, 113580, 124938, 134403, 138820, 140580, 179204, 208230, 224005, 249876, 268806, 312345, 403209, 416460, 448010, 492811, 537612, 624690, 672015, 806418, 896020, 985622, 1249380, 1344030, 1478433, 1612836, 1971244, 2016045, 2464055, 2688060, 2956866, 4032090, 4435299, 4928110, 5913732, 7392165, 8064180, 8870598, 9856220, 14784330, 17741196, 22176495, 29568660, 44352990, 88705980]

約数ペア:

[(1, 88705980), (2, 44352990), (3, 29568660), (4, 22176495), (5, 17741196), (6, 14784330), (9, 9856220), (10, 8870598), (11, 8064180), (12, 7392165), (15, 5913732), (18, 4928110), (20, 4435299), (22, 4032090), (30, 2956866), (33, 2688060), (36, 2464055), (44, 2016045), (45, 1971244), (55, 1612836), (60, 1478433), (66, 1344030), (71, 1249380), (90, 985622), (99, 896020), (110, 806418), (132, 672015), (142, 624690), (165, 537612), (180, 492811), (198, 448010), (213, 416460), (220, 403209), (284, 312345), (330, 268806), (355, 249876), (396, 224005), (426, 208230), (495, 179204), (631, 140580), (639, 138820), (660, 134403), (710, 124938), (781, 113580), (852, 104115), (990, 89602), (1065, 83292), (1262, 70290), (1278, 69410), (1420, 62469), (1562, 56790), (1893, 46860), (1980, 44801), (2130, 41646), (2343, 37860), (2524, 35145), (2556, 34705), (3124, 28395), (3155, 28116), (3195, 27764), (3786, 23430), (3905, 22716), (4260, 20823), (4686, 18930), (5679, 15620), (6310, 14058), (6390, 13882), (6941, 12780), (7029, 12620), (7572, 11715), (7810, 11358), (9372, 9465)]