81419580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1558

約数の個数: 144

約数和(自身を含む): 279586944

約数和(自身を除く): 198167364

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, 540, 594, 660, 810, 891, 972, 990, 1188, 1215, 1485, 1523, 1620, 1782, 1980, 2430, 2673, 2970, 3046, 3564, 4455, 4569, 4860, 5346, 5940, 6092, 7615, 8910, 9138, 10692, 13365, 13707, 15230, 16753, 17820, 18276, 22845, 26730, 27414, 30460, 33506, 41121, 45690, 50259, 53460, 54828, 67012, 68535, 82242, 83765, 91380, 100518, 123363, 137070, 150777, 164484, 167530, 201036, 205605, 246726, 251295, 274140, 301554, 335060, 370089, 411210, 452331, 493452, 502590, 603108, 616815, 740178, 753885, 822420, 904662, 1005180, 1233630, 1356993, 1480356, 1507770, 1809324, 1850445, 2261655, 2467260, 2713986, 3015540, 3700890, 4070979, 4523310, 5427972, 6784965, 7401780, 8141958, 9046620, 13569930, 16283916, 20354895, 27139860, 40709790, 81419580]

約数ペア:

[(1, 81419580), (2, 40709790), (3, 27139860), (4, 20354895), (5, 16283916), (6, 13569930), (9, 9046620), (10, 8141958), (11, 7401780), (12, 6784965), (15, 5427972), (18, 4523310), (20, 4070979), (22, 3700890), (27, 3015540), (30, 2713986), (33, 2467260), (36, 2261655), (44, 1850445), (45, 1809324), (54, 1507770), (55, 1480356), (60, 1356993), (66, 1233630), (81, 1005180), (90, 904662), (99, 822420), (108, 753885), (110, 740178), (132, 616815), (135, 603108), (162, 502590), (165, 493452), (180, 452331), (198, 411210), (220, 370089), (243, 335060), (270, 301554), (297, 274140), (324, 251295), (330, 246726), (396, 205605), (405, 201036), (486, 167530), (495, 164484), (540, 150777), (594, 137070), (660, 123363), (810, 100518), (891, 91380), (972, 83765), (990, 82242), (1188, 68535), (1215, 67012), (1485, 54828), (1523, 53460), (1620, 50259), (1782, 45690), (1980, 41121), (2430, 33506), (2673, 30460), (2970, 27414), (3046, 26730), (3564, 22845), (4455, 18276), (4569, 17820), (4860, 16753), (5346, 15230), (5940, 13707), (6092, 13365), (7615, 10692), (8910, 9138)]