20171250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 120

約数和(自身を含む): 59943312

約数和(自身を除く): 39772062

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 125, 150, 163, 165, 198, 225, 250, 275, 326, 330, 375, 450, 489, 495, 550, 625, 750, 815, 825, 978, 990, 1125, 1250, 1375, 1467, 1630, 1650, 1793, 1875, 2250, 2445, 2475, 2750, 2934, 3586, 3750, 4075, 4125, 4890, 4950, 5379, 5625, 6875, 7335, 8150, 8250, 8965, 10758, 11250, 12225, 12375, 13750, 14670, 16137, 17930, 20375, 20625, 24450, 24750, 26895, 32274, 36675, 40750, 41250, 44825, 53790, 61125, 61875, 73350, 80685, 89650, 101875, 122250, 123750, 134475, 161370, 183375, 203750, 224125, 268950, 305625, 366750, 403425, 448250, 611250, 672375, 806850, 916875, 1120625, 1344750, 1833750, 2017125, 2241250, 3361875, 4034250, 6723750, 10085625, 20171250]

約数ペア:

[(1, 20171250), (2, 10085625), (3, 6723750), (5, 4034250), (6, 3361875), (9, 2241250), (10, 2017125), (11, 1833750), (15, 1344750), (18, 1120625), (22, 916875), (25, 806850), (30, 672375), (33, 611250), (45, 448250), (50, 403425), (55, 366750), (66, 305625), (75, 268950), (90, 224125), (99, 203750), (110, 183375), (125, 161370), (150, 134475), (163, 123750), (165, 122250), (198, 101875), (225, 89650), (250, 80685), (275, 73350), (326, 61875), (330, 61125), (375, 53790), (450, 44825), (489, 41250), (495, 40750), (550, 36675), (625, 32274), (750, 26895), (815, 24750), (825, 24450), (978, 20625), (990, 20375), (1125, 17930), (1250, 16137), (1375, 14670), (1467, 13750), (1630, 12375), (1650, 12225), (1793, 11250), (1875, 10758), (2250, 8965), (2445, 8250), (2475, 8150), (2750, 7335), (2934, 6875), (3586, 5625), (3750, 5379), (4075, 4950), (4125, 4890)]