17281520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 26028208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 131, 136, 170, 194, 262, 272, 340, 388, 485, 524, 655, 680, 776, 970, 1048, 1310, 1360, 1552, 1649, 1940, 2096, 2227, 2620, 3298, 3880, 4454, 5240, 6596, 7760, 8245, 8908, 10480, 11135, 12707, 13192, 16490, 17816, 22270, 25414, 26384, 32980, 35632, 44540, 50828, 63535, 65960, 89080, 101656, 127070, 131920, 178160, 203312, 216019, 254140, 432038, 508280, 864076, 1016560, 1080095, 1728152, 2160190, 3456304, 4320380, 8640760, 17281520]

約数ペア:

[(1, 17281520), (2, 8640760), (4, 4320380), (5, 3456304), (8, 2160190), (10, 1728152), (16, 1080095), (17, 1016560), (20, 864076), (34, 508280), (40, 432038), (68, 254140), (80, 216019), (85, 203312), (97, 178160), (131, 131920), (136, 127070), (170, 101656), (194, 89080), (262, 65960), (272, 63535), (340, 50828), (388, 44540), (485, 35632), (524, 32980), (655, 26384), (680, 25414), (776, 22270), (970, 17816), (1048, 16490), (1310, 13192), (1360, 12707), (1552, 11135), (1649, 10480), (1940, 8908), (2096, 8245), (2227, 7760), (2620, 6596), (3298, 5240), (3880, 4454)]