80791920

素因数分解:

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

素因数の和:232

約数の個数: 180

約数和(自身を含む): 298951848

約数和(自身を除く): 218159928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 101, 110, 120, 132, 144, 165, 176, 180, 198, 202, 220, 240, 264, 303, 330, 360, 396, 404, 440, 495, 505, 528, 606, 660, 720, 792, 808, 880, 909, 990, 1010, 1111, 1212, 1320, 1515, 1584, 1616, 1818, 1980, 2020, 2222, 2424, 2640, 3030, 3333, 3636, 3960, 4040, 4444, 4545, 4848, 5555, 6060, 6666, 7272, 7920, 8080, 8888, 9090, 9999, 10201, 11110, 12120, 13332, 14544, 16665, 17776, 18180, 19998, 20402, 22220, 24240, 26664, 30603, 33330, 36360, 39996, 40804, 44440, 49995, 51005, 53328, 61206, 66660, 72720, 79992, 81608, 88880, 91809, 99990, 102010, 112211, 122412, 133320, 153015, 159984, 163216, 183618, 199980, 204020, 224422, 244824, 266640, 306030, 336633, 367236, 399960, 408040, 448844, 459045, 489648, 561055, 612060, 673266, 734472, 799920, 816080, 897688, 918090, 1009899, 1122110, 1224120, 1346532, 1468944, 1683165, 1795376, 1836180, 2019798, 2244220, 2448240, 2693064, 3366330, 3672360, 4039596, 4488440, 5049495, 5386128, 6732660, 7344720, 8079192, 8976880, 10098990, 13465320, 16158384, 20197980, 26930640, 40395960, 80791920]

約数ペア:

[(1, 80791920), (2, 40395960), (3, 26930640), (4, 20197980), (5, 16158384), (6, 13465320), (8, 10098990), (9, 8976880), (10, 8079192), (11, 7344720), (12, 6732660), (15, 5386128), (16, 5049495), (18, 4488440), (20, 4039596), (22, 3672360), (24, 3366330), (30, 2693064), (33, 2448240), (36, 2244220), (40, 2019798), (44, 1836180), (45, 1795376), (48, 1683165), (55, 1468944), (60, 1346532), (66, 1224120), (72, 1122110), (80, 1009899), (88, 918090), (90, 897688), (99, 816080), (101, 799920), (110, 734472), (120, 673266), (132, 612060), (144, 561055), (165, 489648), (176, 459045), (180, 448844), (198, 408040), (202, 399960), (220, 367236), (240, 336633), (264, 306030), (303, 266640), (330, 244824), (360, 224422), (396, 204020), (404, 199980), (440, 183618), (495, 163216), (505, 159984), (528, 153015), (606, 133320), (660, 122412), (720, 112211), (792, 102010), (808, 99990), (880, 91809), (909, 88880), (990, 81608), (1010, 79992), (1111, 72720), (1212, 66660), (1320, 61206), (1515, 53328), (1584, 51005), (1616, 49995), (1818, 44440), (1980, 40804), (2020, 39996), (2222, 36360), (2424, 33330), (2640, 30603), (3030, 26664), (3333, 24240), (3636, 22220), (3960, 20402), (4040, 19998), (4444, 18180), (4545, 17776), (4848, 16665), (5555, 14544), (6060, 13332), (6666, 12120), (7272, 11110), (7920, 10201), (8080, 9999), (8888, 9090)]