1282881680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1303}}^1$

素因数の和:1744

約数の個数: 80

約数和(自身を含む): 3089040384

約数和(自身を除く): 1806158704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 397, 496, 620, 794, 1240, 1303, 1588, 1985, 2480, 2606, 3176, 3970, 5212, 6352, 6515, 7940, 10424, 12307, 13030, 15880, 20848, 24614, 26060, 31760, 40393, 49228, 52120, 61535, 80786, 98456, 104240, 123070, 161572, 196912, 201965, 246140, 323144, 403930, 492280, 517291, 646288, 807860, 984560, 1034582, 1615720, 2069164, 2586455, 3231440, 4138328, 5172910, 8276656, 10345820, 16036021, 20691640, 32072042, 41383280, 64144084, 80180105, 128288168, 160360210, 256576336, 320720420, 641440840, 1282881680]

約数ペア:

[(1, 1282881680), (2, 641440840), (4, 320720420), (5, 256576336), (8, 160360210), (10, 128288168), (16, 80180105), (20, 64144084), (31, 41383280), (40, 32072042), (62, 20691640), (80, 16036021), (124, 10345820), (155, 8276656), (248, 5172910), (310, 4138328), (397, 3231440), (496, 2586455), (620, 2069164), (794, 1615720), (1240, 1034582), (1303, 984560), (1588, 807860), (1985, 646288), (2480, 517291), (2606, 492280), (3176, 403930), (3970, 323144), (5212, 246140), (6352, 201965), (6515, 196912), (7940, 161572), (10424, 123070), (12307, 104240), (13030, 98456), (15880, 80786), (20848, 61535), (24614, 52120), (26060, 49228), (31760, 40393)]