81476850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 255983616

約数和(自身を除く): 174506766

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 47, 50, 65, 70, 75, 78, 91, 94, 105, 127, 130, 141, 150, 175, 182, 195, 210, 235, 254, 273, 282, 325, 329, 350, 381, 390, 455, 470, 525, 546, 611, 635, 650, 658, 705, 762, 889, 910, 975, 987, 1050, 1175, 1222, 1270, 1365, 1410, 1645, 1651, 1778, 1833, 1905, 1950, 1974, 2275, 2350, 2667, 2730, 3055, 3175, 3290, 3302, 3525, 3666, 3810, 4277, 4445, 4550, 4935, 4953, 5334, 5969, 6110, 6350, 6825, 7050, 8225, 8255, 8554, 8890, 9165, 9525, 9870, 9906, 11557, 11938, 12831, 13335, 13650, 15275, 16450, 16510, 17907, 18330, 19050, 21385, 22225, 23114, 24675, 24765, 25662, 26670, 29845, 30550, 34671, 35814, 41275, 41783, 42770, 44450, 45825, 49350, 49530, 57785, 59690, 64155, 66675, 69342, 77597, 82550, 83566, 89535, 91650, 106925, 115570, 123825, 125349, 128310, 133350, 149225, 155194, 173355, 179070, 208915, 213850, 232791, 247650, 250698, 288925, 298450, 320775, 346710, 387985, 417830, 447675, 465582, 543179, 577850, 626745, 641550, 775970, 866775, 895350, 1044575, 1086358, 1163955, 1253490, 1629537, 1733550, 1939925, 2089150, 2327910, 2715895, 3133725, 3259074, 3879850, 5431790, 5819775, 6267450, 8147685, 11639550, 13579475, 16295370, 27158950, 40738425, 81476850]

約数ペア:

[(1, 81476850), (2, 40738425), (3, 27158950), (5, 16295370), (6, 13579475), (7, 11639550), (10, 8147685), (13, 6267450), (14, 5819775), (15, 5431790), (21, 3879850), (25, 3259074), (26, 3133725), (30, 2715895), (35, 2327910), (39, 2089150), (42, 1939925), (47, 1733550), (50, 1629537), (65, 1253490), (70, 1163955), (75, 1086358), (78, 1044575), (91, 895350), (94, 866775), (105, 775970), (127, 641550), (130, 626745), (141, 577850), (150, 543179), (175, 465582), (182, 447675), (195, 417830), (210, 387985), (235, 346710), (254, 320775), (273, 298450), (282, 288925), (325, 250698), (329, 247650), (350, 232791), (381, 213850), (390, 208915), (455, 179070), (470, 173355), (525, 155194), (546, 149225), (611, 133350), (635, 128310), (650, 125349), (658, 123825), (705, 115570), (762, 106925), (889, 91650), (910, 89535), (975, 83566), (987, 82550), (1050, 77597), (1175, 69342), (1222, 66675), (1270, 64155), (1365, 59690), (1410, 57785), (1645, 49530), (1651, 49350), (1778, 45825), (1833, 44450), (1905, 42770), (1950, 41783), (1974, 41275), (2275, 35814), (2350, 34671), (2667, 30550), (2730, 29845), (3055, 26670), (3175, 25662), (3290, 24765), (3302, 24675), (3525, 23114), (3666, 22225), (3810, 21385), (4277, 19050), (4445, 18330), (4550, 17907), (4935, 16510), (4953, 16450), (5334, 15275), (5969, 13650), (6110, 13335), (6350, 12831), (6825, 11938), (7050, 11557), (8225, 9906), (8255, 9870), (8554, 9525), (8890, 9165)]