781932384

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{142897}}^1$

素因数の和:142932

約数の個数: 72

約数和(自身を含む): 2340669240

約数和(自身を除く): 1558736856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 142897, 285794, 428691, 571588, 857382, 1143176, 1286073, 1714764, 2286352, 2572146, 2715043, 3429528, 4572704, 5144292, 5430086, 6859056, 8145129, 10288584, 10860172, 13718112, 16290258, 20577168, 21720344, 24435387, 32580516, 41154336, 43440688, 48870774, 65161032, 86881376, 97741548, 130322064, 195483096, 260644128, 390966192, 781932384]

約数ペア:

[(1, 781932384), (2, 390966192), (3, 260644128), (4, 195483096), (6, 130322064), (8, 97741548), (9, 86881376), (12, 65161032), (16, 48870774), (18, 43440688), (19, 41154336), (24, 32580516), (32, 24435387), (36, 21720344), (38, 20577168), (48, 16290258), (57, 13718112), (72, 10860172), (76, 10288584), (96, 8145129), (114, 6859056), (144, 5430086), (152, 5144292), (171, 4572704), (228, 3429528), (288, 2715043), (304, 2572146), (342, 2286352), (456, 1714764), (608, 1286073), (684, 1143176), (912, 857382), (1368, 571588), (1824, 428691), (2736, 285794), (5472, 142897)]