215908560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42839}}^1$

素因数の和:42865

約数の個数: 120

約数和(自身を含む): 828696960

約数和(自身を除く): 612788400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42839, 85678, 128517, 171356, 214195, 257034, 299873, 342712, 385551, 428390, 514068, 599746, 642585, 685424, 771102, 856780, 899619, 1028136, 1199492, 1285170, 1499365, 1542204, 1713560, 1799238, 1927755, 2056272, 2398984, 2570340, 2698857, 2998730, 3084408, 3427120, 3598476, 3855510, 4498095, 4797968, 5140680, 5397714, 5997460, 6168816, 7196952, 7711020, 8996190, 10281360, 10795428, 11994920, 13494285, 14393904, 15422040, 17992380, 21590856, 23989840, 26988570, 30844080, 35984760, 43181712, 53977140, 71969520, 107954280, 215908560]

約数ペア:

[(1, 215908560), (2, 107954280), (3, 71969520), (4, 53977140), (5, 43181712), (6, 35984760), (7, 30844080), (8, 26988570), (9, 23989840), (10, 21590856), (12, 17992380), (14, 15422040), (15, 14393904), (16, 13494285), (18, 11994920), (20, 10795428), (21, 10281360), (24, 8996190), (28, 7711020), (30, 7196952), (35, 6168816), (36, 5997460), (40, 5397714), (42, 5140680), (45, 4797968), (48, 4498095), (56, 3855510), (60, 3598476), (63, 3427120), (70, 3084408), (72, 2998730), (80, 2698857), (84, 2570340), (90, 2398984), (105, 2056272), (112, 1927755), (120, 1799238), (126, 1713560), (140, 1542204), (144, 1499365), (168, 1285170), (180, 1199492), (210, 1028136), (240, 899619), (252, 856780), (280, 771102), (315, 685424), (336, 642585), (360, 599746), (420, 514068), (504, 428390), (560, 385551), (630, 342712), (720, 299873), (840, 257034), (1008, 214195), (1260, 171356), (1680, 128517), (2520, 85678), (5040, 42839)]