81750900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3539}}^1$

素因数の和:3574

約数の個数: 144

約数和(自身を含む): 294981120

約数和(自身を除く): 213230220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 1050, 1100, 1155, 1540, 1650, 1925, 2100, 2310, 3300, 3539, 3850, 4620, 5775, 7078, 7700, 10617, 11550, 14156, 17695, 21234, 23100, 24773, 35390, 38929, 42468, 49546, 53085, 70780, 74319, 77858, 88475, 99092, 106170, 116787, 123865, 148638, 155716, 176950, 194645, 212340, 233574, 247730, 265425, 272503, 297276, 353900, 371595, 389290, 467148, 495460, 530850, 545006, 583935, 619325, 743190, 778580, 817509, 973225, 1061700, 1090012, 1167870, 1238650, 1362515, 1486380, 1635018, 1857975, 1946450, 2335740, 2477300, 2725030, 2919675, 3270036, 3715950, 3892900, 4087545, 5450060, 5839350, 6812575, 7431900, 8175090, 11678700, 13625150, 16350180, 20437725, 27250300, 40875450, 81750900]

約数ペア:

[(1, 81750900), (2, 40875450), (3, 27250300), (4, 20437725), (5, 16350180), (6, 13625150), (7, 11678700), (10, 8175090), (11, 7431900), (12, 6812575), (14, 5839350), (15, 5450060), (20, 4087545), (21, 3892900), (22, 3715950), (25, 3270036), (28, 2919675), (30, 2725030), (33, 2477300), (35, 2335740), (42, 1946450), (44, 1857975), (50, 1635018), (55, 1486380), (60, 1362515), (66, 1238650), (70, 1167870), (75, 1090012), (77, 1061700), (84, 973225), (100, 817509), (105, 778580), (110, 743190), (132, 619325), (140, 583935), (150, 545006), (154, 530850), (165, 495460), (175, 467148), (210, 389290), (220, 371595), (231, 353900), (275, 297276), (300, 272503), (308, 265425), (330, 247730), (350, 233574), (385, 212340), (420, 194645), (462, 176950), (525, 155716), (550, 148638), (660, 123865), (700, 116787), (770, 106170), (825, 99092), (924, 88475), (1050, 77858), (1100, 74319), (1155, 70780), (1540, 53085), (1650, 49546), (1925, 42468), (2100, 38929), (2310, 35390), (3300, 24773), (3539, 23100), (3850, 21234), (4620, 17695), (5775, 14156), (7078, 11550), (7700, 10617)]