81421824

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 160

約数和(自身を含む): 243555840

約数和(自身を除く): 162134016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 61, 64, 66, 79, 88, 96, 122, 128, 132, 158, 176, 183, 192, 237, 244, 256, 264, 316, 352, 366, 384, 474, 488, 512, 528, 632, 671, 704, 732, 768, 869, 948, 976, 1056, 1264, 1342, 1408, 1464, 1536, 1738, 1896, 1952, 2013, 2112, 2528, 2607, 2684, 2816, 2928, 3476, 3792, 3904, 4026, 4224, 4819, 5056, 5214, 5368, 5632, 5856, 6952, 7584, 7808, 8052, 8448, 9638, 10112, 10428, 10736, 11712, 13904, 14457, 15168, 15616, 16104, 16896, 19276, 20224, 20856, 21472, 23424, 27808, 28914, 30336, 31232, 32208, 38552, 40448, 41712, 42944, 46848, 53009, 55616, 57828, 60672, 64416, 77104, 83424, 85888, 93696, 106018, 111232, 115656, 121344, 128832, 154208, 159027, 166848, 171776, 212036, 222464, 231312, 257664, 308416, 318054, 333696, 343552, 424072, 444928, 462624, 515328, 616832, 636108, 667392, 848144, 925248, 1030656, 1233664, 1272216, 1334784, 1696288, 1850496, 2467328, 2544432, 3392576, 3700992, 5088864, 6785152, 7401984, 10177728, 13570304, 20355456, 27140608, 40710912, 81421824]

約数ペア:

[(1, 81421824), (2, 40710912), (3, 27140608), (4, 20355456), (6, 13570304), (8, 10177728), (11, 7401984), (12, 6785152), (16, 5088864), (22, 3700992), (24, 3392576), (32, 2544432), (33, 2467328), (44, 1850496), (48, 1696288), (61, 1334784), (64, 1272216), (66, 1233664), (79, 1030656), (88, 925248), (96, 848144), (122, 667392), (128, 636108), (132, 616832), (158, 515328), (176, 462624), (183, 444928), (192, 424072), (237, 343552), (244, 333696), (256, 318054), (264, 308416), (316, 257664), (352, 231312), (366, 222464), (384, 212036), (474, 171776), (488, 166848), (512, 159027), (528, 154208), (632, 128832), (671, 121344), (704, 115656), (732, 111232), (768, 106018), (869, 93696), (948, 85888), (976, 83424), (1056, 77104), (1264, 64416), (1342, 60672), (1408, 57828), (1464, 55616), (1536, 53009), (1738, 46848), (1896, 42944), (1952, 41712), (2013, 40448), (2112, 38552), (2528, 32208), (2607, 31232), (2684, 30336), (2816, 28914), (2928, 27808), (3476, 23424), (3792, 21472), (3904, 20856), (4026, 20224), (4224, 19276), (4819, 16896), (5056, 16104), (5214, 15616), (5368, 15168), (5632, 14457), (5856, 13904), (6952, 11712), (7584, 10736), (7808, 10428), (8052, 10112), (8448, 9638)]