15975000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{71}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 54840240

約数和(自身を除く): 38865240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 125, 142, 150, 180, 200, 213, 225, 250, 284, 300, 355, 360, 375, 426, 450, 500, 568, 600, 625, 639, 710, 750, 852, 900, 1000, 1065, 1125, 1250, 1278, 1420, 1500, 1704, 1775, 1800, 1875, 2130, 2250, 2500, 2556, 2840, 3000, 3125, 3195, 3550, 3750, 4260, 4500, 5000, 5112, 5325, 5625, 6250, 6390, 7100, 7500, 8520, 8875, 9000, 9375, 10650, 11250, 12500, 12780, 14200, 15000, 15975, 17750, 18750, 21300, 22500, 25000, 25560, 26625, 28125, 31950, 35500, 37500, 42600, 44375, 45000, 53250, 56250, 63900, 71000, 75000, 79875, 88750, 106500, 112500, 127800, 133125, 159750, 177500, 213000, 221875, 225000, 266250, 319500, 355000, 399375, 443750, 532500, 639000, 665625, 798750, 887500, 1065000, 1331250, 1597500, 1775000, 1996875, 2662500, 3195000, 3993750, 5325000, 7987500, 15975000]

約数ペア:

[(1, 15975000), (2, 7987500), (3, 5325000), (4, 3993750), (5, 3195000), (6, 2662500), (8, 1996875), (9, 1775000), (10, 1597500), (12, 1331250), (15, 1065000), (18, 887500), (20, 798750), (24, 665625), (25, 639000), (30, 532500), (36, 443750), (40, 399375), (45, 355000), (50, 319500), (60, 266250), (71, 225000), (72, 221875), (75, 213000), (90, 177500), (100, 159750), (120, 133125), (125, 127800), (142, 112500), (150, 106500), (180, 88750), (200, 79875), (213, 75000), (225, 71000), (250, 63900), (284, 56250), (300, 53250), (355, 45000), (360, 44375), (375, 42600), (426, 37500), (450, 35500), (500, 31950), (568, 28125), (600, 26625), (625, 25560), (639, 25000), (710, 22500), (750, 21300), (852, 18750), (900, 17750), (1000, 15975), (1065, 15000), (1125, 14200), (1250, 12780), (1278, 12500), (1420, 11250), (1500, 10650), (1704, 9375), (1775, 9000), (1800, 8875), (1875, 8520), (2130, 7500), (2250, 7100), (2500, 6390), (2556, 6250), (2840, 5625), (3000, 5325), (3125, 5112), (3195, 5000), (3550, 4500), (3750, 4260)]