28500660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 91008456

約数和(自身を除く): 62507796

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, 241, 270, 292, 324, 365, 405, 438, 482, 540, 657, 723, 730, 810, 876, 964, 1095, 1205, 1314, 1446, 1460, 1620, 1971, 2169, 2190, 2410, 2628, 2892, 3285, 3615, 3942, 4338, 4380, 4820, 5913, 6507, 6570, 7230, 7884, 8676, 9855, 10845, 11826, 13014, 13140, 14460, 17593, 19521, 19710, 21690, 23652, 26028, 29565, 32535, 35186, 39042, 39420, 43380, 52779, 59130, 65070, 70372, 78084, 87965, 97605, 105558, 118260, 130140, 158337, 175930, 195210, 211116, 263895, 316674, 351860, 390420, 475011, 527790, 633348, 791685, 950022, 1055580, 1425033, 1583370, 1900044, 2375055, 2850066, 3166740, 4750110, 5700132, 7125165, 9500220, 14250330, 28500660]

約数ペア:

[(1, 28500660), (2, 14250330), (3, 9500220), (4, 7125165), (5, 5700132), (6, 4750110), (9, 3166740), (10, 2850066), (12, 2375055), (15, 1900044), (18, 1583370), (20, 1425033), (27, 1055580), (30, 950022), (36, 791685), (45, 633348), (54, 527790), (60, 475011), (73, 390420), (81, 351860), (90, 316674), (108, 263895), (135, 211116), (146, 195210), (162, 175930), (180, 158337), (219, 130140), (241, 118260), (270, 105558), (292, 97605), (324, 87965), (365, 78084), (405, 70372), (438, 65070), (482, 59130), (540, 52779), (657, 43380), (723, 39420), (730, 39042), (810, 35186), (876, 32535), (964, 29565), (1095, 26028), (1205, 23652), (1314, 21690), (1446, 19710), (1460, 19521), (1620, 17593), (1971, 14460), (2169, 13140), (2190, 13014), (2410, 11826), (2628, 10845), (2892, 9855), (3285, 8676), (3615, 7884), (3942, 7230), (4338, 6570), (4380, 6507), (4820, 5913)]