351888180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1303}}^1$

素因数の和:1965

約数の個数: 96

約数和(自身を含む): 1128658944

約数和(自身を除く): 776770764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 643, 1286, 1303, 1929, 2572, 2606, 3215, 3858, 3909, 4501, 5212, 6430, 6515, 7716, 7818, 9002, 9121, 9645, 12860, 13030, 13503, 15636, 18004, 18242, 19290, 19545, 22505, 26060, 27006, 27363, 36484, 38580, 39090, 45010, 45605, 54012, 54726, 67515, 78180, 90020, 91210, 109452, 135030, 136815, 182420, 270060, 273630, 547260, 837829, 1675658, 2513487, 3351316, 4189145, 5026974, 5864803, 8378290, 10053948, 11729606, 12567435, 16756580, 17594409, 23459212, 25134870, 29324015, 35188818, 50269740, 58648030, 70377636, 87972045, 117296060, 175944090, 351888180]

約数ペア:

[(1, 351888180), (2, 175944090), (3, 117296060), (4, 87972045), (5, 70377636), (6, 58648030), (7, 50269740), (10, 35188818), (12, 29324015), (14, 25134870), (15, 23459212), (20, 17594409), (21, 16756580), (28, 12567435), (30, 11729606), (35, 10053948), (42, 8378290), (60, 5864803), (70, 5026974), (84, 4189145), (105, 3351316), (140, 2513487), (210, 1675658), (420, 837829), (643, 547260), (1286, 273630), (1303, 270060), (1929, 182420), (2572, 136815), (2606, 135030), (3215, 109452), (3858, 91210), (3909, 90020), (4501, 78180), (5212, 67515), (6430, 54726), (6515, 54012), (7716, 45605), (7818, 45010), (9002, 39090), (9121, 38580), (9645, 36484), (12860, 27363), (13030, 27006), (13503, 26060), (15636, 22505), (18004, 19545), (18242, 19290)]