81256464

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1797

約数の個数: 120

約数和(自身を含む): 253599840

約数和(自身を除く): 172343376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 34, 36, 38, 48, 51, 57, 68, 72, 76, 102, 114, 136, 144, 152, 153, 171, 204, 228, 272, 304, 306, 323, 342, 408, 456, 612, 646, 684, 816, 912, 969, 1224, 1292, 1368, 1747, 1938, 2448, 2584, 2736, 2907, 3494, 3876, 5168, 5241, 5814, 6988, 7752, 10482, 11628, 13976, 15504, 15723, 20964, 23256, 27952, 29699, 31446, 33193, 41928, 46512, 59398, 62892, 66386, 83856, 89097, 99579, 118796, 125784, 132772, 178194, 199158, 237592, 251568, 265544, 267291, 298737, 356388, 398316, 475184, 531088, 534582, 564281, 597474, 712776, 796632, 1069164, 1128562, 1194948, 1425552, 1593264, 1692843, 2138328, 2257124, 2389896, 3385686, 4276656, 4514248, 4779792, 5078529, 6771372, 9028496, 10157058, 13542744, 20314116, 27085488, 40628232, 81256464]

約数ペア:

[(1, 81256464), (2, 40628232), (3, 27085488), (4, 20314116), (6, 13542744), (8, 10157058), (9, 9028496), (12, 6771372), (16, 5078529), (17, 4779792), (18, 4514248), (19, 4276656), (24, 3385686), (34, 2389896), (36, 2257124), (38, 2138328), (48, 1692843), (51, 1593264), (57, 1425552), (68, 1194948), (72, 1128562), (76, 1069164), (102, 796632), (114, 712776), (136, 597474), (144, 564281), (152, 534582), (153, 531088), (171, 475184), (204, 398316), (228, 356388), (272, 298737), (304, 267291), (306, 265544), (323, 251568), (342, 237592), (408, 199158), (456, 178194), (612, 132772), (646, 125784), (684, 118796), (816, 99579), (912, 89097), (969, 83856), (1224, 66386), (1292, 62892), (1368, 59398), (1747, 46512), (1938, 41928), (2448, 33193), (2584, 31446), (2736, 29699), (2907, 27952), (3494, 23256), (3876, 20964), (5168, 15723), (5241, 15504), (5814, 13976), (6988, 11628), (7752, 10482)]