81328512

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 232070400

約数和(自身を除く): 150741888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 71, 76, 96, 114, 128, 142, 152, 157, 192, 213, 228, 284, 304, 314, 384, 426, 456, 471, 568, 608, 628, 852, 912, 942, 1136, 1216, 1256, 1349, 1704, 1824, 1884, 2272, 2432, 2512, 2698, 2983, 3408, 3648, 3768, 4047, 4544, 5024, 5396, 5966, 6816, 7296, 7536, 8094, 8949, 9088, 10048, 10792, 11147, 11932, 13632, 15072, 16188, 17898, 20096, 21584, 22294, 23864, 27264, 30144, 32376, 33441, 35796, 43168, 44588, 47728, 60288, 64752, 66882, 71592, 86336, 89176, 95456, 129504, 133764, 143184, 172672, 178352, 190912, 211793, 259008, 267528, 286368, 356704, 381824, 423586, 518016, 535056, 572736, 635379, 713408, 847172, 1070112, 1145472, 1270758, 1426816, 1694344, 2140224, 2541516, 3388688, 4280448, 5083032, 6777376, 10166064, 13554752, 20332128, 27109504, 40664256, 81328512]

約数ペア:

[(1, 81328512), (2, 40664256), (3, 27109504), (4, 20332128), (6, 13554752), (8, 10166064), (12, 6777376), (16, 5083032), (19, 4280448), (24, 3388688), (32, 2541516), (38, 2140224), (48, 1694344), (57, 1426816), (64, 1270758), (71, 1145472), (76, 1070112), (96, 847172), (114, 713408), (128, 635379), (142, 572736), (152, 535056), (157, 518016), (192, 423586), (213, 381824), (228, 356704), (284, 286368), (304, 267528), (314, 259008), (384, 211793), (426, 190912), (456, 178352), (471, 172672), (568, 143184), (608, 133764), (628, 129504), (852, 95456), (912, 89176), (942, 86336), (1136, 71592), (1216, 66882), (1256, 64752), (1349, 60288), (1704, 47728), (1824, 44588), (1884, 43168), (2272, 35796), (2432, 33441), (2512, 32376), (2698, 30144), (2983, 27264), (3408, 23864), (3648, 22294), (3768, 21584), (4047, 20096), (4544, 17898), (5024, 16188), (5396, 15072), (5966, 13632), (6816, 11932), (7296, 11147), (7536, 10792), (8094, 10048), (8949, 9088)]