81884340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9679}}^1$

素因数の和:9741

約数の個数: 72

約数和(自身を含む): 253693440

約数和(自身を除く): 171809100

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, 9679, 19358, 29037, 38716, 48395, 58074, 87111, 96790, 116148, 145185, 174222, 193580, 290370, 348444, 435555, 454913, 580740, 871110, 909826, 1364739, 1742220, 1819652, 2274565, 2729478, 4094217, 4549130, 5458956, 6823695, 8188434, 9098260, 13647390, 16376868, 20471085, 27294780, 40942170, 81884340]

約数ペア:

[(1, 81884340), (2, 40942170), (3, 27294780), (4, 20471085), (5, 16376868), (6, 13647390), (9, 9098260), (10, 8188434), (12, 6823695), (15, 5458956), (18, 4549130), (20, 4094217), (30, 2729478), (36, 2274565), (45, 1819652), (47, 1742220), (60, 1364739), (90, 909826), (94, 871110), (141, 580740), (180, 454913), (188, 435555), (235, 348444), (282, 290370), (423, 193580), (470, 174222), (564, 145185), (705, 116148), (846, 96790), (940, 87111), (1410, 58074), (1692, 48395), (2115, 38716), (2820, 29037), (4230, 19358), (8460, 9679)]