71270280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21997}}^1$

素因数の和:22020

約数の個数: 80

約数和(自身を含む): 239558220

約数和(自身を除く): 168287940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21997, 43994, 65991, 87988, 109985, 131982, 175976, 197973, 219970, 263964, 329955, 395946, 439940, 527928, 593919, 659910, 791892, 879880, 989865, 1187838, 1319820, 1583784, 1781757, 1979730, 2375676, 2639640, 2969595, 3563514, 3959460, 4751352, 5939190, 7127028, 7918920, 8908785, 11878380, 14254056, 17817570, 23756760, 35635140, 71270280]

約数ペア:

[(1, 71270280), (2, 35635140), (3, 23756760), (4, 17817570), (5, 14254056), (6, 11878380), (8, 8908785), (9, 7918920), (10, 7127028), (12, 5939190), (15, 4751352), (18, 3959460), (20, 3563514), (24, 2969595), (27, 2639640), (30, 2375676), (36, 1979730), (40, 1781757), (45, 1583784), (54, 1319820), (60, 1187838), (72, 989865), (81, 879880), (90, 791892), (108, 659910), (120, 593919), (135, 527928), (162, 439940), (180, 395946), (216, 329955), (270, 263964), (324, 219970), (360, 197973), (405, 175976), (540, 131982), (648, 109985), (810, 87988), (1080, 65991), (1620, 43994), (3240, 21997)]