40908420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{32467}}^1$

素因数の和:32489

約数の個数: 72

約数和(自身を含む): 141820224

約数和(自身を除く): 100911804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 32467, 64934, 97401, 129868, 162335, 194802, 227269, 292203, 324670, 389604, 454538, 487005, 584406, 649340, 681807, 909076, 974010, 1136345, 1168812, 1363614, 1461015, 1948020, 2045421, 2272690, 2727228, 2922030, 3409035, 4090842, 4545380, 5844060, 6818070, 8181684, 10227105, 13636140, 20454210, 40908420]

約数ペア:

[(1, 40908420), (2, 20454210), (3, 13636140), (4, 10227105), (5, 8181684), (6, 6818070), (7, 5844060), (9, 4545380), (10, 4090842), (12, 3409035), (14, 2922030), (15, 2727228), (18, 2272690), (20, 2045421), (21, 1948020), (28, 1461015), (30, 1363614), (35, 1168812), (36, 1136345), (42, 974010), (45, 909076), (60, 681807), (63, 649340), (70, 584406), (84, 487005), (90, 454538), (105, 389604), (126, 324670), (140, 292203), (180, 227269), (210, 194802), (252, 162335), (315, 129868), (420, 97401), (630, 64934), (1260, 32467)]