12120920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 31648320

約数和(自身を除く): 19527400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 593, 730, 1022, 1186, 1460, 2044, 2372, 2555, 2920, 2965, 4088, 4151, 4744, 5110, 5930, 8302, 10220, 11860, 16604, 20440, 20755, 23720, 33208, 41510, 43289, 83020, 86578, 166040, 173156, 216445, 303023, 346312, 432890, 606046, 865780, 1212092, 1515115, 1731560, 2424184, 3030230, 6060460, 12120920]

約数ペア:

[(1, 12120920), (2, 6060460), (4, 3030230), (5, 2424184), (7, 1731560), (8, 1515115), (10, 1212092), (14, 865780), (20, 606046), (28, 432890), (35, 346312), (40, 303023), (56, 216445), (70, 173156), (73, 166040), (140, 86578), (146, 83020), (280, 43289), (292, 41510), (365, 33208), (511, 23720), (584, 20755), (593, 20440), (730, 16604), (1022, 11860), (1186, 10220), (1460, 8302), (2044, 5930), (2372, 5110), (2555, 4744), (2920, 4151), (2965, 4088)]