28231320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18097}}^1$

素因数の和:18124

約数の個数: 64

約数和(自身を含む): 91213920

約数和(自身を除く): 62982600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18097, 36194, 54291, 72388, 90485, 108582, 144776, 180970, 217164, 235261, 271455, 361940, 434328, 470522, 542910, 705783, 723880, 941044, 1085820, 1176305, 1411566, 1882088, 2171640, 2352610, 2823132, 3528915, 4705220, 5646264, 7057830, 9410440, 14115660, 28231320]

約数ペア:

[(1, 28231320), (2, 14115660), (3, 9410440), (4, 7057830), (5, 5646264), (6, 4705220), (8, 3528915), (10, 2823132), (12, 2352610), (13, 2171640), (15, 1882088), (20, 1411566), (24, 1176305), (26, 1085820), (30, 941044), (39, 723880), (40, 705783), (52, 542910), (60, 470522), (65, 434328), (78, 361940), (104, 271455), (120, 235261), (130, 217164), (156, 180970), (195, 144776), (260, 108582), (312, 90485), (390, 72388), (520, 54291), (780, 36194), (1560, 18097)]