81777480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40087}}^1$

素因数の和:40118

約数の個数: 64

約数和(自身を含む): 259770240

約数和(自身を除く): 177992760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 40087, 80174, 120261, 160348, 200435, 240522, 320696, 400870, 481044, 601305, 681479, 801740, 962088, 1202610, 1362958, 1603480, 2044437, 2405220, 2725916, 3407395, 4088874, 4810440, 5451832, 6814790, 8177748, 10222185, 13629580, 16355496, 20444370, 27259160, 40888740, 81777480]

約数ペア:

[(1, 81777480), (2, 40888740), (3, 27259160), (4, 20444370), (5, 16355496), (6, 13629580), (8, 10222185), (10, 8177748), (12, 6814790), (15, 5451832), (17, 4810440), (20, 4088874), (24, 3407395), (30, 2725916), (34, 2405220), (40, 2044437), (51, 1603480), (60, 1362958), (68, 1202610), (85, 962088), (102, 801740), (120, 681479), (136, 601305), (170, 481044), (204, 400870), (255, 320696), (340, 240522), (408, 200435), (510, 160348), (680, 120261), (1020, 80174), (2040, 40087)]