31206420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24767}}^1$

素因数の和:24789

約数の個数: 72

約数和(自身を含む): 108186624

約数和(自身を除く): 76980204

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, 24767, 49534, 74301, 99068, 123835, 148602, 173369, 222903, 247670, 297204, 346738, 371505, 445806, 495340, 520107, 693476, 743010, 866845, 891612, 1040214, 1114515, 1486020, 1560321, 1733690, 2080428, 2229030, 2600535, 3120642, 3467380, 4458060, 5201070, 6241284, 7801605, 10402140, 15603210, 31206420]

約数ペア:

[(1, 31206420), (2, 15603210), (3, 10402140), (4, 7801605), (5, 6241284), (6, 5201070), (7, 4458060), (9, 3467380), (10, 3120642), (12, 2600535), (14, 2229030), (15, 2080428), (18, 1733690), (20, 1560321), (21, 1486020), (28, 1114515), (30, 1040214), (35, 891612), (36, 866845), (42, 743010), (45, 693476), (60, 520107), (63, 495340), (70, 445806), (84, 371505), (90, 346738), (105, 297204), (126, 247670), (140, 222903), (180, 173369), (210, 148602), (252, 123835), (315, 99068), (420, 74301), (630, 49534), (1260, 24767)]