15892500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 50208928

約数和(自身を除く): 34316428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 163, 195, 250, 260, 300, 325, 326, 375, 390, 489, 500, 625, 650, 652, 750, 780, 815, 975, 978, 1250, 1300, 1500, 1625, 1630, 1875, 1950, 1956, 2119, 2445, 2500, 3250, 3260, 3750, 3900, 4075, 4238, 4875, 4890, 6357, 6500, 7500, 8125, 8150, 8476, 9750, 9780, 10595, 12225, 12714, 16250, 16300, 19500, 20375, 21190, 24375, 24450, 25428, 31785, 32500, 40750, 42380, 48750, 48900, 52975, 61125, 63570, 81500, 97500, 101875, 105950, 122250, 127140, 158925, 203750, 211900, 244500, 264875, 305625, 317850, 407500, 529750, 611250, 635700, 794625, 1059500, 1222500, 1324375, 1589250, 2648750, 3178500, 3973125, 5297500, 7946250, 15892500]

約数ペア:

[(1, 15892500), (2, 7946250), (3, 5297500), (4, 3973125), (5, 3178500), (6, 2648750), (10, 1589250), (12, 1324375), (13, 1222500), (15, 1059500), (20, 794625), (25, 635700), (26, 611250), (30, 529750), (39, 407500), (50, 317850), (52, 305625), (60, 264875), (65, 244500), (75, 211900), (78, 203750), (100, 158925), (125, 127140), (130, 122250), (150, 105950), (156, 101875), (163, 97500), (195, 81500), (250, 63570), (260, 61125), (300, 52975), (325, 48900), (326, 48750), (375, 42380), (390, 40750), (489, 32500), (500, 31785), (625, 25428), (650, 24450), (652, 24375), (750, 21190), (780, 20375), (815, 19500), (975, 16300), (978, 16250), (1250, 12714), (1300, 12225), (1500, 10595), (1625, 9780), (1630, 9750), (1875, 8476), (1950, 8150), (1956, 8125), (2119, 7500), (2445, 6500), (2500, 6357), (3250, 4890), (3260, 4875), (3750, 4238), (3900, 4075)]