72545680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 105835760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 443, 445, 460, 712, 886, 890, 920, 1424, 1772, 1780, 1840, 2047, 2215, 3544, 3560, 4094, 4430, 7088, 7120, 8188, 8860, 10189, 10235, 16376, 17720, 20378, 20470, 32752, 35440, 39427, 40756, 40940, 50945, 78854, 81512, 81880, 101890, 157708, 163024, 163760, 197135, 203780, 315416, 394270, 407560, 630832, 788540, 815120, 906821, 1577080, 1813642, 3154160, 3627284, 4534105, 7254568, 9068210, 14509136, 18136420, 36272840, 72545680]

約数ペア:

[(1, 72545680), (2, 36272840), (4, 18136420), (5, 14509136), (8, 9068210), (10, 7254568), (16, 4534105), (20, 3627284), (23, 3154160), (40, 1813642), (46, 1577080), (80, 906821), (89, 815120), (92, 788540), (115, 630832), (178, 407560), (184, 394270), (230, 315416), (356, 203780), (368, 197135), (443, 163760), (445, 163024), (460, 157708), (712, 101890), (886, 81880), (890, 81512), (920, 78854), (1424, 50945), (1772, 40940), (1780, 40756), (1840, 39427), (2047, 35440), (2215, 32752), (3544, 20470), (3560, 20378), (4094, 17720), (4430, 16376), (7088, 10235), (7120, 10189), (8188, 8860)]