80215872

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 112

約数和(自身を含む): 243840000

約数和(自身を除く): 163624128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 132, 152, 176, 192, 209, 228, 264, 304, 352, 418, 456, 528, 608, 627, 704, 836, 912, 1056, 1216, 1254, 1672, 1824, 1999, 2112, 2508, 3344, 3648, 3998, 5016, 5997, 6688, 7996, 10032, 11994, 13376, 15992, 20064, 21989, 23988, 31984, 37981, 40128, 43978, 47976, 63968, 65967, 75962, 87956, 95952, 113943, 127936, 131934, 151924, 175912, 191904, 227886, 263868, 303848, 351824, 383808, 417791, 455772, 527736, 607696, 703648, 835582, 911544, 1055472, 1215392, 1253373, 1407296, 1671164, 1823088, 2110944, 2430784, 2506746, 3342328, 3646176, 4221888, 5013492, 6684656, 7292352, 10026984, 13369312, 20053968, 26738624, 40107936, 80215872]

約数ペア:

[(1, 80215872), (2, 40107936), (3, 26738624), (4, 20053968), (6, 13369312), (8, 10026984), (11, 7292352), (12, 6684656), (16, 5013492), (19, 4221888), (22, 3646176), (24, 3342328), (32, 2506746), (33, 2430784), (38, 2110944), (44, 1823088), (48, 1671164), (57, 1407296), (64, 1253373), (66, 1215392), (76, 1055472), (88, 911544), (96, 835582), (114, 703648), (132, 607696), (152, 527736), (176, 455772), (192, 417791), (209, 383808), (228, 351824), (264, 303848), (304, 263868), (352, 227886), (418, 191904), (456, 175912), (528, 151924), (608, 131934), (627, 127936), (704, 113943), (836, 95952), (912, 87956), (1056, 75962), (1216, 65967), (1254, 63968), (1672, 47976), (1824, 43978), (1999, 40128), (2112, 37981), (2508, 31984), (3344, 23988), (3648, 21989), (3998, 20064), (5016, 15992), (5997, 13376), (6688, 11994), (7996, 10032)]