291816640

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1350

約数の個数: 112

約数和(自身を含む): 749076480

約数和(自身を除く): 457259840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 713, 736, 920, 992, 1240, 1279, 1426, 1472, 1840, 1984, 2480, 2558, 2852, 3565, 3680, 4960, 5116, 5704, 6395, 7130, 7360, 9920, 10232, 11408, 12790, 14260, 20464, 22816, 25580, 28520, 29417, 39649, 40928, 45632, 51160, 57040, 58834, 79298, 81856, 102320, 114080, 117668, 147085, 158596, 198245, 204640, 228160, 235336, 294170, 317192, 396490, 409280, 470672, 588340, 634384, 792980, 911927, 941344, 1176680, 1268768, 1585960, 1823854, 1882688, 2353360, 2537536, 3171920, 3647708, 4559635, 4706720, 6343840, 7295416, 9119270, 9413440, 12687680, 14590832, 18238540, 29181664, 36477080, 58363328, 72954160, 145908320, 291816640]

約数ペア:

[(1, 291816640), (2, 145908320), (4, 72954160), (5, 58363328), (8, 36477080), (10, 29181664), (16, 18238540), (20, 14590832), (23, 12687680), (31, 9413440), (32, 9119270), (40, 7295416), (46, 6343840), (62, 4706720), (64, 4559635), (80, 3647708), (92, 3171920), (115, 2537536), (124, 2353360), (155, 1882688), (160, 1823854), (184, 1585960), (230, 1268768), (248, 1176680), (310, 941344), (320, 911927), (368, 792980), (460, 634384), (496, 588340), (620, 470672), (713, 409280), (736, 396490), (920, 317192), (992, 294170), (1240, 235336), (1279, 228160), (1426, 204640), (1472, 198245), (1840, 158596), (1984, 147085), (2480, 117668), (2558, 114080), (2852, 102320), (3565, 81856), (3680, 79298), (4960, 58834), (5116, 57040), (5704, 51160), (6395, 45632), (7130, 40928), (7360, 39649), (9920, 29417), (10232, 28520), (11408, 25580), (12790, 22816), (14260, 20464)]