31920210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{16889}}^1$

素因数の和:16912

約数の個数: 64

約数和(自身を含む): 97286400

約数和(自身を除く): 65366190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 16889, 33778, 50667, 84445, 101334, 118223, 152001, 168890, 236446, 253335, 304002, 354669, 456003, 506670, 591115, 709338, 760005, 912006, 1064007, 1182230, 1520010, 1773345, 2128014, 2280015, 3192021, 3546690, 4560030, 5320035, 6384042, 10640070, 15960105, 31920210]

約数ペア:

[(1, 31920210), (2, 15960105), (3, 10640070), (5, 6384042), (6, 5320035), (7, 4560030), (9, 3546690), (10, 3192021), (14, 2280015), (15, 2128014), (18, 1773345), (21, 1520010), (27, 1182230), (30, 1064007), (35, 912006), (42, 760005), (45, 709338), (54, 591115), (63, 506670), (70, 456003), (90, 354669), (105, 304002), (126, 253335), (135, 236446), (189, 168890), (210, 152001), (270, 118223), (315, 101334), (378, 84445), (630, 50667), (945, 33778), (1890, 16889)]