28629720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{541}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 111218400

約数和(自身を除く): 82588680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 541, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1082, 1176, 1260, 1323, 1470, 1512, 1623, 1764, 1890, 1960, 2164, 2205, 2520, 2646, 2705, 2940, 3246, 3528, 3780, 3787, 4328, 4410, 4869, 5292, 5410, 5880, 6492, 6615, 7560, 7574, 8115, 8820, 9738, 10584, 10820, 11361, 12984, 13230, 14607, 15148, 16230, 17640, 18935, 19476, 21640, 22722, 24345, 26460, 26509, 29214, 30296, 32460, 34083, 37870, 38952, 45444, 48690, 52920, 53018, 56805, 58428, 64920, 68166, 73035, 75740, 79527, 90888, 97380, 102249, 106036, 113610, 116856, 132545, 136332, 146070, 151480, 159054, 170415, 194760, 204498, 212072, 227220, 238581, 265090, 272664, 292140, 318108, 340830, 397635, 408996, 454440, 477162, 511245, 530180, 584280, 636216, 681660, 715743, 795270, 817992, 954324, 1022490, 1060360, 1192905, 1363320, 1431486, 1590540, 1908648, 2044980, 2385810, 2862972, 3181080, 3578715, 4089960, 4771620, 5725944, 7157430, 9543240, 14314860, 28629720]

約数ペア:

[(1, 28629720), (2, 14314860), (3, 9543240), (4, 7157430), (5, 5725944), (6, 4771620), (7, 4089960), (8, 3578715), (9, 3181080), (10, 2862972), (12, 2385810), (14, 2044980), (15, 1908648), (18, 1590540), (20, 1431486), (21, 1363320), (24, 1192905), (27, 1060360), (28, 1022490), (30, 954324), (35, 817992), (36, 795270), (40, 715743), (42, 681660), (45, 636216), (49, 584280), (54, 530180), (56, 511245), (60, 477162), (63, 454440), (70, 408996), (72, 397635), (84, 340830), (90, 318108), (98, 292140), (105, 272664), (108, 265090), (120, 238581), (126, 227220), (135, 212072), (140, 204498), (147, 194760), (168, 170415), (180, 159054), (189, 151480), (196, 146070), (210, 136332), (216, 132545), (245, 116856), (252, 113610), (270, 106036), (280, 102249), (294, 97380), (315, 90888), (360, 79527), (378, 75740), (392, 73035), (420, 68166), (441, 64920), (490, 58428), (504, 56805), (540, 53018), (541, 52920), (588, 48690), (630, 45444), (735, 38952), (756, 37870), (840, 34083), (882, 32460), (945, 30296), (980, 29214), (1080, 26509), (1082, 26460), (1176, 24345), (1260, 22722), (1323, 21640), (1470, 19476), (1512, 18935), (1623, 17640), (1764, 16230), (1890, 15148), (1960, 14607), (2164, 13230), (2205, 12984), (2520, 11361), (2646, 10820), (2705, 10584), (2940, 9738), (3246, 8820), (3528, 8115), (3780, 7574), (3787, 7560), (4328, 6615), (4410, 6492), (4869, 5880), (5292, 5410)]