15900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 53152848

約数和(自身を除く): 37252848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 53, 60, 75, 80, 96, 100, 106, 120, 125, 150, 159, 160, 200, 212, 240, 250, 265, 300, 318, 375, 400, 424, 480, 500, 530, 600, 625, 636, 750, 795, 800, 848, 1000, 1060, 1200, 1250, 1272, 1325, 1500, 1590, 1696, 1875, 2000, 2120, 2400, 2500, 2544, 2650, 3000, 3125, 3180, 3750, 3975, 4000, 4240, 5000, 5088, 5300, 6000, 6250, 6360, 6625, 7500, 7950, 8480, 9375, 10000, 10600, 12000, 12500, 12720, 13250, 15000, 15900, 18750, 19875, 20000, 21200, 25000, 25440, 26500, 30000, 31800, 33125, 37500, 39750, 42400, 50000, 53000, 60000, 63600, 66250, 75000, 79500, 99375, 100000, 106000, 127200, 132500, 150000, 159000, 165625, 198750, 212000, 265000, 300000, 318000, 331250, 397500, 496875, 530000, 636000, 662500, 795000, 993750, 1060000, 1325000, 1590000, 1987500, 2650000, 3180000, 3975000, 5300000, 7950000, 15900000]

約数ペア:

[(1, 15900000), (2, 7950000), (3, 5300000), (4, 3975000), (5, 3180000), (6, 2650000), (8, 1987500), (10, 1590000), (12, 1325000), (15, 1060000), (16, 993750), (20, 795000), (24, 662500), (25, 636000), (30, 530000), (32, 496875), (40, 397500), (48, 331250), (50, 318000), (53, 300000), (60, 265000), (75, 212000), (80, 198750), (96, 165625), (100, 159000), (106, 150000), (120, 132500), (125, 127200), (150, 106000), (159, 100000), (160, 99375), (200, 79500), (212, 75000), (240, 66250), (250, 63600), (265, 60000), (300, 53000), (318, 50000), (375, 42400), (400, 39750), (424, 37500), (480, 33125), (500, 31800), (530, 30000), (600, 26500), (625, 25440), (636, 25000), (750, 21200), (795, 20000), (800, 19875), (848, 18750), (1000, 15900), (1060, 15000), (1200, 13250), (1250, 12720), (1272, 12500), (1325, 12000), (1500, 10600), (1590, 10000), (1696, 9375), (1875, 8480), (2000, 7950), (2120, 7500), (2400, 6625), (2500, 6360), (2544, 6250), (2650, 6000), (3000, 5300), (3125, 5088), (3180, 5000), (3750, 4240), (3975, 4000)]