15379900

素因数分解:

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

素因数の和:223

約数の個数: 72

約数和(自身を含む): 36091440

約数和(自身を除く): 20711540

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 83, 85, 100, 109, 166, 170, 218, 332, 340, 415, 425, 436, 545, 830, 850, 1090, 1411, 1660, 1700, 1853, 2075, 2180, 2725, 2822, 3706, 4150, 5450, 5644, 7055, 7412, 8300, 9047, 9265, 10900, 14110, 18094, 18530, 28220, 35275, 36188, 37060, 45235, 46325, 70550, 90470, 92650, 141100, 153799, 180940, 185300, 226175, 307598, 452350, 615196, 768995, 904700, 1537990, 3075980, 3844975, 7689950, 15379900]

約数ペア:

[(1, 15379900), (2, 7689950), (4, 3844975), (5, 3075980), (10, 1537990), (17, 904700), (20, 768995), (25, 615196), (34, 452350), (50, 307598), (68, 226175), (83, 185300), (85, 180940), (100, 153799), (109, 141100), (166, 92650), (170, 90470), (218, 70550), (332, 46325), (340, 45235), (415, 37060), (425, 36188), (436, 35275), (545, 28220), (830, 18530), (850, 18094), (1090, 14110), (1411, 10900), (1660, 9265), (1700, 9047), (1853, 8300), (2075, 7412), (2180, 7055), (2725, 5644), (2822, 5450), (3706, 4150)]