263038440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1151

約数の個数: 128

約数和(自身を含む): 905103360

約数和(自身を除く): 642064920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 643, 840, 974, 1286, 1461, 1929, 1948, 2435, 2572, 2922, 3215, 3409, 3858, 3896, 4501, 4870, 5144, 5844, 6430, 6818, 7305, 7716, 9002, 9645, 9740, 10227, 11688, 12860, 13503, 13636, 14610, 15432, 17045, 18004, 19290, 19480, 20454, 22505, 25720, 27006, 27272, 29220, 34090, 36008, 38580, 40908, 45010, 51135, 54012, 58440, 67515, 68180, 77160, 81816, 90020, 102270, 108024, 135030, 136360, 180040, 204540, 270060, 313141, 409080, 540120, 626282, 939423, 1252564, 1565705, 1878846, 2191987, 2505128, 3131410, 3757692, 4383974, 4697115, 6262820, 6575961, 7515384, 8767948, 9394230, 10959935, 12525640, 13151922, 17535896, 18788460, 21919870, 26303844, 32879805, 37576920, 43839740, 52607688, 65759610, 87679480, 131519220, 263038440]

約数ペア:

[(1, 263038440), (2, 131519220), (3, 87679480), (4, 65759610), (5, 52607688), (6, 43839740), (7, 37576920), (8, 32879805), (10, 26303844), (12, 21919870), (14, 18788460), (15, 17535896), (20, 13151922), (21, 12525640), (24, 10959935), (28, 9394230), (30, 8767948), (35, 7515384), (40, 6575961), (42, 6262820), (56, 4697115), (60, 4383974), (70, 3757692), (84, 3131410), (105, 2505128), (120, 2191987), (140, 1878846), (168, 1565705), (210, 1252564), (280, 939423), (420, 626282), (487, 540120), (643, 409080), (840, 313141), (974, 270060), (1286, 204540), (1461, 180040), (1929, 136360), (1948, 135030), (2435, 108024), (2572, 102270), (2922, 90020), (3215, 81816), (3409, 77160), (3858, 68180), (3896, 67515), (4501, 58440), (4870, 54012), (5144, 51135), (5844, 45010), (6430, 40908), (6818, 38580), (7305, 36008), (7716, 34090), (9002, 29220), (9645, 27272), (9740, 27006), (10227, 25720), (11688, 22505), (12860, 20454), (13503, 19480), (13636, 19290), (14610, 18004), (15432, 17045)]