18455880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 41419320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 83, 85, 102, 109, 120, 136, 166, 170, 204, 218, 249, 255, 327, 332, 340, 408, 415, 436, 498, 510, 545, 654, 664, 680, 830, 872, 996, 1020, 1090, 1245, 1308, 1411, 1635, 1660, 1853, 1992, 2040, 2180, 2490, 2616, 2822, 3270, 3320, 3706, 4233, 4360, 4980, 5559, 5644, 6540, 7055, 7412, 8466, 9047, 9265, 9960, 11118, 11288, 13080, 14110, 14824, 16932, 18094, 18530, 21165, 22236, 27141, 27795, 28220, 33864, 36188, 37060, 42330, 44472, 45235, 54282, 55590, 56440, 72376, 74120, 84660, 90470, 108564, 111180, 135705, 153799, 169320, 180940, 217128, 222360, 271410, 307598, 361880, 461397, 542820, 615196, 768995, 922794, 1085640, 1230392, 1537990, 1845588, 2306985, 3075980, 3691176, 4613970, 6151960, 9227940, 18455880]

約数ペア:

[(1, 18455880), (2, 9227940), (3, 6151960), (4, 4613970), (5, 3691176), (6, 3075980), (8, 2306985), (10, 1845588), (12, 1537990), (15, 1230392), (17, 1085640), (20, 922794), (24, 768995), (30, 615196), (34, 542820), (40, 461397), (51, 361880), (60, 307598), (68, 271410), (83, 222360), (85, 217128), (102, 180940), (109, 169320), (120, 153799), (136, 135705), (166, 111180), (170, 108564), (204, 90470), (218, 84660), (249, 74120), (255, 72376), (327, 56440), (332, 55590), (340, 54282), (408, 45235), (415, 44472), (436, 42330), (498, 37060), (510, 36188), (545, 33864), (654, 28220), (664, 27795), (680, 27141), (830, 22236), (872, 21165), (996, 18530), (1020, 18094), (1090, 16932), (1245, 14824), (1308, 14110), (1411, 13080), (1635, 11288), (1660, 11118), (1853, 9960), (1992, 9265), (2040, 9047), (2180, 8466), (2490, 7412), (2616, 7055), (2822, 6540), (3270, 5644), (3320, 5559), (3706, 4980), (4233, 4360)]