28046760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 97217280

約数和(自身を除く): 69170520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 193, 210, 280, 346, 386, 420, 519, 579, 692, 772, 840, 865, 965, 1038, 1158, 1211, 1351, 1384, 1544, 1730, 1930, 2076, 2316, 2422, 2595, 2702, 2895, 3460, 3633, 3860, 4053, 4152, 4632, 4844, 5190, 5404, 5790, 6055, 6755, 6920, 7266, 7720, 8106, 9688, 10380, 10808, 11580, 12110, 13510, 14532, 16212, 18165, 20265, 20760, 23160, 24220, 27020, 29064, 32424, 33389, 36330, 40530, 48440, 54040, 66778, 72660, 81060, 100167, 133556, 145320, 162120, 166945, 200334, 233723, 267112, 333890, 400668, 467446, 500835, 667780, 701169, 801336, 934892, 1001670, 1168615, 1335560, 1402338, 1869784, 2003340, 2337230, 2804676, 3505845, 4006680, 4674460, 5609352, 7011690, 9348920, 14023380, 28046760]

約数ペア:

[(1, 28046760), (2, 14023380), (3, 9348920), (4, 7011690), (5, 5609352), (6, 4674460), (7, 4006680), (8, 3505845), (10, 2804676), (12, 2337230), (14, 2003340), (15, 1869784), (20, 1402338), (21, 1335560), (24, 1168615), (28, 1001670), (30, 934892), (35, 801336), (40, 701169), (42, 667780), (56, 500835), (60, 467446), (70, 400668), (84, 333890), (105, 267112), (120, 233723), (140, 200334), (168, 166945), (173, 162120), (193, 145320), (210, 133556), (280, 100167), (346, 81060), (386, 72660), (420, 66778), (519, 54040), (579, 48440), (692, 40530), (772, 36330), (840, 33389), (865, 32424), (965, 29064), (1038, 27020), (1158, 24220), (1211, 23160), (1351, 20760), (1384, 20265), (1544, 18165), (1730, 16212), (1930, 14532), (2076, 13510), (2316, 12110), (2422, 11580), (2595, 10808), (2702, 10380), (2895, 9688), (3460, 8106), (3633, 7720), (3860, 7266), (4053, 6920), (4152, 6755), (4632, 6055), (4844, 5790), (5190, 5404)]