15678515864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1201

約数の個数: 128

約数和(自身を含む): 34034964480

約数和(自身を除く): 18356448616

約数列:

[1, 2, 4, 8, 11, 22, 37, 43, 44, 74, 86, 88, 113, 148, 172, 226, 296, 344, 407, 452, 473, 814, 904, 946, 991, 1243, 1591, 1628, 1892, 1982, 2486, 3182, 3256, 3784, 3964, 4181, 4859, 4972, 6364, 7928, 8362, 9718, 9944, 10901, 12728, 16724, 17501, 19436, 21802, 33448, 35002, 36667, 38872, 42613, 43604, 45991, 53449, 70004, 73334, 85226, 87208, 91982, 106898, 111983, 140008, 146668, 170452, 179783, 183964, 213796, 223966, 293336, 340904, 359566, 367928, 403337, 427592, 447932, 468743, 719132, 806674, 895864, 937486, 1231813, 1438264, 1576681, 1613348, 1874972, 1977613, 2463626, 3153362, 3226696, 3749944, 3955226, 4143371, 4815269, 4927252, 6306724, 7910452, 8286742, 9630538, 9854504, 12613448, 15820904, 16573484, 17343491, 19261076, 33146968, 34686982, 38522152, 45577081, 52967959, 69373964, 91154162, 105935918, 138747928, 178164953, 182308324, 211871836, 356329906, 364616648, 423743672, 712659812, 1425319624, 1959814483, 3919628966, 7839257932, 15678515864]

約数ペア:

[(1, 15678515864), (2, 7839257932), (4, 3919628966), (8, 1959814483), (11, 1425319624), (22, 712659812), (37, 423743672), (43, 364616648), (44, 356329906), (74, 211871836), (86, 182308324), (88, 178164953), (113, 138747928), (148, 105935918), (172, 91154162), (226, 69373964), (296, 52967959), (344, 45577081), (407, 38522152), (452, 34686982), (473, 33146968), (814, 19261076), (904, 17343491), (946, 16573484), (991, 15820904), (1243, 12613448), (1591, 9854504), (1628, 9630538), (1892, 8286742), (1982, 7910452), (2486, 6306724), (3182, 4927252), (3256, 4815269), (3784, 4143371), (3964, 3955226), (4181, 3749944), (4859, 3226696), (4972, 3153362), (6364, 2463626), (7928, 1977613), (8362, 1874972), (9718, 1613348), (9944, 1576681), (10901, 1438264), (12728, 1231813), (16724, 937486), (17501, 895864), (19436, 806674), (21802, 719132), (33448, 468743), (35002, 447932), (36667, 427592), (38872, 403337), (42613, 367928), (43604, 359566), (45991, 340904), (53449, 293336), (70004, 223966), (73334, 213796), (85226, 183964), (87208, 179783), (91982, 170452), (106898, 146668), (111983, 140008)]