647111520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40853}}^1$

素因数の和:40885

約数の個数: 144

約数和(自身を含む): 2409078672

約数和(自身を除く): 1761967152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 40853, 81706, 122559, 163412, 204265, 245118, 326824, 367677, 408530, 449383, 490236, 612795, 653648, 735354, 817060, 898766, 980472, 1225590, 1307296, 1348149, 1470708, 1634120, 1797532, 1838385, 1960944, 2246915, 2451180, 2696298, 2941416, 3268240, 3595064, 3676770, 3921888, 4044447, 4493830, 4902360, 5392596, 5882832, 6536480, 6740745, 7190128, 7353540, 8088894, 8987660, 9804720, 10785192, 11765664, 13481490, 14380256, 14707080, 16177788, 17975320, 19609440, 20222235, 21570384, 26962980, 29414160, 32355576, 35950640, 40444470, 43140768, 53925960, 58828320, 64711152, 71901280, 80888940, 107851920, 129422304, 161777880, 215703840, 323555760, 647111520]

約数ペア:

[(1, 647111520), (2, 323555760), (3, 215703840), (4, 161777880), (5, 129422304), (6, 107851920), (8, 80888940), (9, 71901280), (10, 64711152), (11, 58828320), (12, 53925960), (15, 43140768), (16, 40444470), (18, 35950640), (20, 32355576), (22, 29414160), (24, 26962980), (30, 21570384), (32, 20222235), (33, 19609440), (36, 17975320), (40, 16177788), (44, 14707080), (45, 14380256), (48, 13481490), (55, 11765664), (60, 10785192), (66, 9804720), (72, 8987660), (80, 8088894), (88, 7353540), (90, 7190128), (96, 6740745), (99, 6536480), (110, 5882832), (120, 5392596), (132, 4902360), (144, 4493830), (160, 4044447), (165, 3921888), (176, 3676770), (180, 3595064), (198, 3268240), (220, 2941416), (240, 2696298), (264, 2451180), (288, 2246915), (330, 1960944), (352, 1838385), (360, 1797532), (396, 1634120), (440, 1470708), (480, 1348149), (495, 1307296), (528, 1225590), (660, 980472), (720, 898766), (792, 817060), (880, 735354), (990, 653648), (1056, 612795), (1320, 490236), (1440, 449383), (1584, 408530), (1760, 367677), (1980, 326824), (2640, 245118), (3168, 204265), (3960, 163412), (5280, 122559), (7920, 81706), (15840, 40853)]