656230920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 2022451200

約数和(自身を除く): 1366220280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 307, 376, 379, 470, 564, 614, 705, 758, 921, 940, 1128, 1137, 1228, 1410, 1516, 1535, 1842, 1880, 1895, 2274, 2456, 2820, 3032, 3070, 3684, 3790, 4548, 4605, 5640, 5685, 6140, 7368, 7580, 9096, 9210, 11370, 12280, 14429, 15160, 17813, 18420, 22740, 28858, 35626, 36840, 43287, 45480, 53439, 57716, 71252, 72145, 86574, 89065, 106878, 115432, 116353, 142504, 144290, 173148, 178130, 213756, 216435, 232706, 267195, 288580, 346296, 349059, 356260, 427512, 432870, 465412, 534390, 577160, 581765, 698118, 712520, 865740, 930824, 1068780, 1163530, 1396236, 1731480, 1745295, 2137560, 2327060, 2792472, 3490590, 4654120, 5468591, 6981180, 10937182, 13962360, 16405773, 21874364, 27342955, 32811546, 43748728, 54685910, 65623092, 82028865, 109371820, 131246184, 164057730, 218743640, 328115460, 656230920]

約数ペア:

[(1, 656230920), (2, 328115460), (3, 218743640), (4, 164057730), (5, 131246184), (6, 109371820), (8, 82028865), (10, 65623092), (12, 54685910), (15, 43748728), (20, 32811546), (24, 27342955), (30, 21874364), (40, 16405773), (47, 13962360), (60, 10937182), (94, 6981180), (120, 5468591), (141, 4654120), (188, 3490590), (235, 2792472), (282, 2327060), (307, 2137560), (376, 1745295), (379, 1731480), (470, 1396236), (564, 1163530), (614, 1068780), (705, 930824), (758, 865740), (921, 712520), (940, 698118), (1128, 581765), (1137, 577160), (1228, 534390), (1410, 465412), (1516, 432870), (1535, 427512), (1842, 356260), (1880, 349059), (1895, 346296), (2274, 288580), (2456, 267195), (2820, 232706), (3032, 216435), (3070, 213756), (3684, 178130), (3790, 173148), (4548, 144290), (4605, 142504), (5640, 116353), (5685, 115432), (6140, 106878), (7368, 89065), (7580, 86574), (9096, 72145), (9210, 71252), (11370, 57716), (12280, 53439), (14429, 45480), (15160, 43287), (17813, 36840), (18420, 35626), (22740, 28858)]