164707740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19469}}^1$

素因数の和:19531

約数の個数: 72

約数和(自身を含む): 510269760

約数和(自身を除く): 345562020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 19469, 38938, 58407, 77876, 97345, 116814, 175221, 194690, 233628, 292035, 350442, 389380, 584070, 700884, 876105, 915043, 1168140, 1752210, 1830086, 2745129, 3504420, 3660172, 4575215, 5490258, 8235387, 9150430, 10980516, 13725645, 16470774, 18300860, 27451290, 32941548, 41176935, 54902580, 82353870, 164707740]

約数ペア:

[(1, 164707740), (2, 82353870), (3, 54902580), (4, 41176935), (5, 32941548), (6, 27451290), (9, 18300860), (10, 16470774), (12, 13725645), (15, 10980516), (18, 9150430), (20, 8235387), (30, 5490258), (36, 4575215), (45, 3660172), (47, 3504420), (60, 2745129), (90, 1830086), (94, 1752210), (141, 1168140), (180, 915043), (188, 876105), (235, 700884), (282, 584070), (423, 389380), (470, 350442), (564, 292035), (705, 233628), (846, 194690), (940, 175221), (1410, 116814), (1692, 97345), (2115, 77876), (2820, 58407), (4230, 38938), (8460, 19469)]