31556520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 107136000

約数和(自身を除く): 75579480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 479, 488, 540, 549, 610, 732, 915, 958, 1080, 1098, 1220, 1437, 1464, 1647, 1830, 1916, 2196, 2395, 2440, 2745, 2874, 3294, 3660, 3832, 4311, 4392, 4790, 5490, 5748, 6588, 7185, 7320, 8235, 8622, 9580, 10980, 11496, 12933, 13176, 14370, 16470, 17244, 19160, 21555, 21960, 25866, 28740, 29219, 32940, 34488, 43110, 51732, 57480, 58438, 64665, 65880, 86220, 87657, 103464, 116876, 129330, 146095, 172440, 175314, 233752, 258660, 262971, 292190, 350628, 438285, 517320, 525942, 584380, 701256, 788913, 876570, 1051884, 1168760, 1314855, 1577826, 1753140, 2103768, 2629710, 3155652, 3506280, 3944565, 5259420, 6311304, 7889130, 10518840, 15778260, 31556520]

約数ペア:

[(1, 31556520), (2, 15778260), (3, 10518840), (4, 7889130), (5, 6311304), (6, 5259420), (8, 3944565), (9, 3506280), (10, 3155652), (12, 2629710), (15, 2103768), (18, 1753140), (20, 1577826), (24, 1314855), (27, 1168760), (30, 1051884), (36, 876570), (40, 788913), (45, 701256), (54, 584380), (60, 525942), (61, 517320), (72, 438285), (90, 350628), (108, 292190), (120, 262971), (122, 258660), (135, 233752), (180, 175314), (183, 172440), (216, 146095), (244, 129330), (270, 116876), (305, 103464), (360, 87657), (366, 86220), (479, 65880), (488, 64665), (540, 58438), (549, 57480), (610, 51732), (732, 43110), (915, 34488), (958, 32940), (1080, 29219), (1098, 28740), (1220, 25866), (1437, 21960), (1464, 21555), (1647, 19160), (1830, 17244), (1916, 16470), (2196, 14370), (2395, 13176), (2440, 12933), (2745, 11496), (2874, 10980), (3294, 9580), (3660, 8622), (3832, 8235), (4311, 7320), (4392, 7185), (4790, 6588), (5490, 5748)]