12303920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 30935520

約数和(自身を除く): 18631600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 109, 136, 166, 170, 218, 272, 332, 340, 415, 436, 545, 664, 680, 830, 872, 1090, 1328, 1360, 1411, 1660, 1744, 1853, 2180, 2822, 3320, 3706, 4360, 5644, 6640, 7055, 7412, 8720, 9047, 9265, 11288, 14110, 14824, 18094, 18530, 22576, 28220, 29648, 36188, 37060, 45235, 56440, 72376, 74120, 90470, 112880, 144752, 148240, 153799, 180940, 307598, 361880, 615196, 723760, 768995, 1230392, 1537990, 2460784, 3075980, 6151960, 12303920]

約数ペア:

[(1, 12303920), (2, 6151960), (4, 3075980), (5, 2460784), (8, 1537990), (10, 1230392), (16, 768995), (17, 723760), (20, 615196), (34, 361880), (40, 307598), (68, 180940), (80, 153799), (83, 148240), (85, 144752), (109, 112880), (136, 90470), (166, 74120), (170, 72376), (218, 56440), (272, 45235), (332, 37060), (340, 36188), (415, 29648), (436, 28220), (545, 22576), (664, 18530), (680, 18094), (830, 14824), (872, 14110), (1090, 11288), (1328, 9265), (1360, 9047), (1411, 8720), (1660, 7412), (1744, 7055), (1853, 6640), (2180, 5644), (2822, 4360), (3320, 3706)]