164271520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:963

約数の個数: 144

約数和(自身を含む): 471598848

約数和(自身を除く): 307327328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 911, 920, 980, 1120, 1127, 1288, 1568, 1610, 1822, 1840, 1960, 2254, 2576, 3220, 3644, 3680, 3920, 4508, 4555, 5152, 5635, 6377, 6440, 7288, 7840, 9016, 9110, 11270, 12754, 12880, 14576, 18032, 18220, 20953, 22540, 25508, 25760, 29152, 31885, 36064, 36440, 41906, 44639, 45080, 51016, 63770, 72880, 83812, 89278, 90160, 102032, 104765, 127540, 145760, 146671, 167624, 178556, 180320, 204064, 209530, 223195, 255080, 293342, 335248, 357112, 419060, 446390, 510160, 586684, 670496, 714224, 733355, 838120, 892780, 1020320, 1026697, 1173368, 1428448, 1466710, 1676240, 1785560, 2053394, 2346736, 2933420, 3352480, 3571120, 4106788, 4693472, 5133485, 5866840, 7142240, 8213576, 10266970, 11733680, 16427152, 20533940, 23467360, 32854304, 41067880, 82135760, 164271520]

約数ペア:

[(1, 164271520), (2, 82135760), (4, 41067880), (5, 32854304), (7, 23467360), (8, 20533940), (10, 16427152), (14, 11733680), (16, 10266970), (20, 8213576), (23, 7142240), (28, 5866840), (32, 5133485), (35, 4693472), (40, 4106788), (46, 3571120), (49, 3352480), (56, 2933420), (70, 2346736), (80, 2053394), (92, 1785560), (98, 1676240), (112, 1466710), (115, 1428448), (140, 1173368), (160, 1026697), (161, 1020320), (184, 892780), (196, 838120), (224, 733355), (230, 714224), (245, 670496), (280, 586684), (322, 510160), (368, 446390), (392, 419060), (460, 357112), (490, 335248), (560, 293342), (644, 255080), (736, 223195), (784, 209530), (805, 204064), (911, 180320), (920, 178556), (980, 167624), (1120, 146671), (1127, 145760), (1288, 127540), (1568, 104765), (1610, 102032), (1822, 90160), (1840, 89278), (1960, 83812), (2254, 72880), (2576, 63770), (3220, 51016), (3644, 45080), (3680, 44639), (3920, 41906), (4508, 36440), (4555, 36064), (5152, 31885), (5635, 29152), (6377, 25760), (6440, 25508), (7288, 22540), (7840, 20953), (9016, 18220), (9110, 18032), (11270, 14576), (12754, 12880)]