81858480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 160

約数和(自身を含む): 280482048

約数和(自身を除く): 198623568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 101, 110, 120, 132, 165, 176, 202, 220, 240, 264, 303, 307, 330, 404, 440, 505, 528, 606, 614, 660, 808, 880, 921, 1010, 1111, 1212, 1228, 1320, 1515, 1535, 1616, 1842, 2020, 2222, 2424, 2456, 2640, 3030, 3070, 3333, 3377, 3684, 4040, 4444, 4605, 4848, 4912, 5555, 6060, 6140, 6666, 6754, 7368, 8080, 8888, 9210, 10131, 11110, 12120, 12280, 13332, 13508, 14736, 16665, 16885, 17776, 18420, 20262, 22220, 24240, 24560, 26664, 27016, 31007, 33330, 33770, 36840, 40524, 44440, 50655, 53328, 54032, 62014, 66660, 67540, 73680, 81048, 88880, 93021, 101310, 124028, 133320, 135080, 155035, 162096, 186042, 202620, 248056, 266640, 270160, 310070, 341077, 372084, 405240, 465105, 496112, 620140, 682154, 744168, 810480, 930210, 1023231, 1240280, 1364308, 1488336, 1705385, 1860420, 2046462, 2480560, 2728616, 3410770, 3720840, 4092924, 5116155, 5457232, 6821540, 7441680, 8185848, 10232310, 13643080, 16371696, 20464620, 27286160, 40929240, 81858480]

約数ペア:

[(1, 81858480), (2, 40929240), (3, 27286160), (4, 20464620), (5, 16371696), (6, 13643080), (8, 10232310), (10, 8185848), (11, 7441680), (12, 6821540), (15, 5457232), (16, 5116155), (20, 4092924), (22, 3720840), (24, 3410770), (30, 2728616), (33, 2480560), (40, 2046462), (44, 1860420), (48, 1705385), (55, 1488336), (60, 1364308), (66, 1240280), (80, 1023231), (88, 930210), (101, 810480), (110, 744168), (120, 682154), (132, 620140), (165, 496112), (176, 465105), (202, 405240), (220, 372084), (240, 341077), (264, 310070), (303, 270160), (307, 266640), (330, 248056), (404, 202620), (440, 186042), (505, 162096), (528, 155035), (606, 135080), (614, 133320), (660, 124028), (808, 101310), (880, 93021), (921, 88880), (1010, 81048), (1111, 73680), (1212, 67540), (1228, 66660), (1320, 62014), (1515, 54032), (1535, 53328), (1616, 50655), (1842, 44440), (2020, 40524), (2222, 36840), (2424, 33770), (2456, 33330), (2640, 31007), (3030, 27016), (3070, 26664), (3333, 24560), (3377, 24240), (3684, 22220), (4040, 20262), (4444, 18420), (4605, 17776), (4848, 16885), (4912, 16665), (5555, 14736), (6060, 13508), (6140, 13332), (6666, 12280), (6754, 12120), (7368, 11110), (8080, 10131), (8888, 9210)]