28264140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 90256320

約数和(自身を除く): 61992180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 239, 270, 292, 324, 365, 405, 438, 478, 540, 657, 717, 730, 810, 876, 956, 1095, 1195, 1314, 1434, 1460, 1620, 1971, 2151, 2190, 2390, 2628, 2868, 3285, 3585, 3942, 4302, 4380, 4780, 5913, 6453, 6570, 7170, 7884, 8604, 9855, 10755, 11826, 12906, 13140, 14340, 17447, 19359, 19710, 21510, 23652, 25812, 29565, 32265, 34894, 38718, 39420, 43020, 52341, 59130, 64530, 69788, 77436, 87235, 96795, 104682, 118260, 129060, 157023, 174470, 193590, 209364, 261705, 314046, 348940, 387180, 471069, 523410, 628092, 785115, 942138, 1046820, 1413207, 1570230, 1884276, 2355345, 2826414, 3140460, 4710690, 5652828, 7066035, 9421380, 14132070, 28264140]

約数ペア:

[(1, 28264140), (2, 14132070), (3, 9421380), (4, 7066035), (5, 5652828), (6, 4710690), (9, 3140460), (10, 2826414), (12, 2355345), (15, 1884276), (18, 1570230), (20, 1413207), (27, 1046820), (30, 942138), (36, 785115), (45, 628092), (54, 523410), (60, 471069), (73, 387180), (81, 348940), (90, 314046), (108, 261705), (135, 209364), (146, 193590), (162, 174470), (180, 157023), (219, 129060), (239, 118260), (270, 104682), (292, 96795), (324, 87235), (365, 77436), (405, 69788), (438, 64530), (478, 59130), (540, 52341), (657, 43020), (717, 39420), (730, 38718), (810, 34894), (876, 32265), (956, 29565), (1095, 25812), (1195, 23652), (1314, 21510), (1434, 19710), (1460, 19359), (1620, 17447), (1971, 14340), (2151, 13140), (2190, 12906), (2390, 11826), (2628, 10755), (2868, 9855), (3285, 8604), (3585, 7884), (3942, 7170), (4302, 6570), (4380, 6453), (4780, 5913)]