345701720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1405

約数の個数: 128

約数和(自身を含む): 971187840

約数和(自身を除く): 625486120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1301, 1460, 1820, 1898, 2044, 2555, 2602, 2920, 3640, 3796, 4088, 4745, 5110, 5204, 6505, 6643, 7592, 9107, 9490, 10220, 10408, 13010, 13286, 16913, 18214, 18980, 20440, 26020, 26572, 33215, 33826, 36428, 37960, 45535, 52040, 53144, 66430, 67652, 72856, 84565, 91070, 94973, 118391, 132860, 135304, 169130, 182140, 189946, 236782, 265720, 338260, 364280, 379892, 473564, 474865, 591955, 664811, 676520, 759784, 947128, 949730, 1183910, 1234649, 1329622, 1899460, 2367820, 2469298, 2659244, 3324055, 3798920, 4735640, 4938596, 5318488, 6173245, 6648110, 8642543, 9877192, 12346490, 13296220, 17285086, 24692980, 26592440, 34570172, 43212715, 49385960, 69140344, 86425430, 172850860, 345701720]

約数ペア:

[(1, 345701720), (2, 172850860), (4, 86425430), (5, 69140344), (7, 49385960), (8, 43212715), (10, 34570172), (13, 26592440), (14, 24692980), (20, 17285086), (26, 13296220), (28, 12346490), (35, 9877192), (40, 8642543), (52, 6648110), (56, 6173245), (65, 5318488), (70, 4938596), (73, 4735640), (91, 3798920), (104, 3324055), (130, 2659244), (140, 2469298), (146, 2367820), (182, 1899460), (260, 1329622), (280, 1234649), (292, 1183910), (364, 949730), (365, 947128), (455, 759784), (511, 676520), (520, 664811), (584, 591955), (728, 474865), (730, 473564), (910, 379892), (949, 364280), (1022, 338260), (1301, 265720), (1460, 236782), (1820, 189946), (1898, 182140), (2044, 169130), (2555, 135304), (2602, 132860), (2920, 118391), (3640, 94973), (3796, 91070), (4088, 84565), (4745, 72856), (5110, 67652), (5204, 66430), (6505, 53144), (6643, 52040), (7592, 45535), (9107, 37960), (9490, 36428), (10220, 33826), (10408, 33215), (13010, 26572), (13286, 26020), (16913, 20440), (18214, 18980)]