82971280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 221771520

約数和(自身を除く): 138800240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 560, 647, 916, 1145, 1294, 1603, 1832, 2290, 2588, 3206, 3235, 3664, 4529, 4580, 5176, 6412, 6470, 8015, 9058, 9160, 10352, 12824, 12940, 16030, 18116, 18320, 22645, 25648, 25880, 32060, 36232, 45290, 51760, 64120, 72464, 90580, 128240, 148163, 181160, 296326, 362320, 592652, 740815, 1037141, 1185304, 1481630, 2074282, 2370608, 2963260, 4148564, 5185705, 5926520, 8297128, 10371410, 11853040, 16594256, 20742820, 41485640, 82971280]

約数ペア:

[(1, 82971280), (2, 41485640), (4, 20742820), (5, 16594256), (7, 11853040), (8, 10371410), (10, 8297128), (14, 5926520), (16, 5185705), (20, 4148564), (28, 2963260), (35, 2370608), (40, 2074282), (56, 1481630), (70, 1185304), (80, 1037141), (112, 740815), (140, 592652), (229, 362320), (280, 296326), (458, 181160), (560, 148163), (647, 128240), (916, 90580), (1145, 72464), (1294, 64120), (1603, 51760), (1832, 45290), (2290, 36232), (2588, 32060), (3206, 25880), (3235, 25648), (3664, 22645), (4529, 18320), (4580, 18116), (5176, 16030), (6412, 12940), (6470, 12824), (8015, 10352), (9058, 9160)]