164304560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 439263552

約数和(自身を除く): 274958992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 181, 280, 362, 560, 724, 905, 1267, 1448, 1621, 1810, 2534, 2896, 3242, 3620, 5068, 6335, 6484, 7240, 8105, 10136, 11347, 12670, 12968, 14480, 16210, 20272, 22694, 25340, 25936, 32420, 45388, 50680, 56735, 64840, 90776, 101360, 113470, 129680, 181552, 226940, 293401, 453880, 586802, 907760, 1173604, 1467005, 2053807, 2347208, 2934010, 4107614, 4694416, 5868020, 8215228, 10269035, 11736040, 16430456, 20538070, 23472080, 32860912, 41076140, 82152280, 164304560]

約数ペア:

[(1, 164304560), (2, 82152280), (4, 41076140), (5, 32860912), (7, 23472080), (8, 20538070), (10, 16430456), (14, 11736040), (16, 10269035), (20, 8215228), (28, 5868020), (35, 4694416), (40, 4107614), (56, 2934010), (70, 2347208), (80, 2053807), (112, 1467005), (140, 1173604), (181, 907760), (280, 586802), (362, 453880), (560, 293401), (724, 226940), (905, 181552), (1267, 129680), (1448, 113470), (1621, 101360), (1810, 90776), (2534, 64840), (2896, 56735), (3242, 50680), (3620, 45388), (5068, 32420), (6335, 25936), (6484, 25340), (7240, 22694), (8105, 20272), (10136, 16210), (11347, 14480), (12670, 12968)]