1721071360

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 4241823264

約数和(自身を除く): 2520751904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 113, 128, 146, 160, 163, 226, 256, 292, 320, 326, 365, 452, 565, 584, 640, 652, 730, 815, 904, 1130, 1168, 1280, 1304, 1460, 1630, 1808, 2260, 2336, 2608, 2920, 3260, 3616, 4520, 4672, 5216, 5840, 6520, 7232, 8249, 9040, 9344, 10432, 11680, 11899, 13040, 14464, 16498, 18080, 18419, 18688, 20864, 23360, 23798, 26080, 28928, 32996, 36160, 36838, 41245, 41728, 46720, 47596, 52160, 59495, 65992, 72320, 73676, 82490, 92095, 93440, 95192, 104320, 118990, 131984, 144640, 147352, 164980, 184190, 190384, 208640, 237980, 263968, 294704, 329960, 368380, 380768, 475960, 527936, 589408, 659920, 736760, 761536, 951920, 1055872, 1178816, 1319840, 1344587, 1473520, 1523072, 1903840, 2111744, 2357632, 2639680, 2689174, 2947040, 3046144, 3807680, 4715264, 5279360, 5378348, 5894080, 6722935, 7615360, 10558720, 10756696, 11788160, 13445870, 15230720, 21513392, 23576320, 26891740, 43026784, 53783480, 86053568, 107566960, 172107136, 215133920, 344214272, 430267840, 860535680, 1721071360]

約数ペア:

[(1, 1721071360), (2, 860535680), (4, 430267840), (5, 344214272), (8, 215133920), (10, 172107136), (16, 107566960), (20, 86053568), (32, 53783480), (40, 43026784), (64, 26891740), (73, 23576320), (80, 21513392), (113, 15230720), (128, 13445870), (146, 11788160), (160, 10756696), (163, 10558720), (226, 7615360), (256, 6722935), (292, 5894080), (320, 5378348), (326, 5279360), (365, 4715264), (452, 3807680), (565, 3046144), (584, 2947040), (640, 2689174), (652, 2639680), (730, 2357632), (815, 2111744), (904, 1903840), (1130, 1523072), (1168, 1473520), (1280, 1344587), (1304, 1319840), (1460, 1178816), (1630, 1055872), (1808, 951920), (2260, 761536), (2336, 736760), (2608, 659920), (2920, 589408), (3260, 527936), (3616, 475960), (4520, 380768), (4672, 368380), (5216, 329960), (5840, 294704), (6520, 263968), (7232, 237980), (8249, 208640), (9040, 190384), (9344, 184190), (10432, 164980), (11680, 147352), (11899, 144640), (13040, 131984), (14464, 118990), (16498, 104320), (18080, 95192), (18419, 93440), (18688, 92095), (20864, 82490), (23360, 73676), (23798, 72320), (26080, 65992), (28928, 59495), (32996, 52160), (36160, 47596), (36838, 46720), (41245, 41728)]