164637520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7121}}^1$

素因数の和:7168

約数の個数: 60

約数和(自身を含む): 406680444

約数和(自身を除く): 242042924

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 7121, 11560, 14242, 23120, 28484, 35605, 56968, 71210, 113936, 121057, 142420, 242114, 284840, 484228, 569680, 605285, 968456, 1210570, 1936912, 2057969, 2421140, 4115938, 4842280, 8231876, 9684560, 10289845, 16463752, 20579690, 32927504, 41159380, 82318760, 164637520]

約数ペア:

[(1, 164637520), (2, 82318760), (4, 41159380), (5, 32927504), (8, 20579690), (10, 16463752), (16, 10289845), (17, 9684560), (20, 8231876), (34, 4842280), (40, 4115938), (68, 2421140), (80, 2057969), (85, 1936912), (136, 1210570), (170, 968456), (272, 605285), (289, 569680), (340, 484228), (578, 284840), (680, 242114), (1156, 142420), (1360, 121057), (1445, 113936), (2312, 71210), (2890, 56968), (4624, 35605), (5780, 28484), (7121, 23120), (11560, 14242)]