28875000

素因数分解:

$2^3\times 3^1\times 5^6\times 7^1\times {\mathrm{11}}^1$

素因数の和:57

約数の個数: 224

約数和(自身を含む): 112498560

約数和(自身を除く): 83623560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 50, 55, 56, 60, 66, 70, 75, 77, 84, 88, 100, 105, 110, 120, 125, 132, 140, 150, 154, 165, 168, 175, 200, 210, 220, 231, 250, 264, 275, 280, 300, 308, 330, 350, 375, 385, 420, 440, 462, 500, 525, 550, 600, 616, 625, 660, 700, 750, 770, 825, 840, 875, 924, 1000, 1050, 1100, 1155, 1250, 1320, 1375, 1400, 1500, 1540, 1650, 1750, 1848, 1875, 1925, 2100, 2200, 2310, 2500, 2625, 2750, 3000, 3080, 3125, 3300, 3500, 3750, 3850, 4125, 4200, 4375, 4620, 5000, 5250, 5500, 5775, 6250, 6600, 6875, 7000, 7500, 7700, 8250, 8750, 9240, 9375, 9625, 10500, 11000, 11550, 12500, 13125, 13750, 15000, 15400, 15625, 16500, 17500, 18750, 19250, 20625, 21000, 21875, 23100, 25000, 26250, 27500, 28875, 31250, 33000, 34375, 35000, 37500, 38500, 41250, 43750, 46200, 46875, 48125, 52500, 55000, 57750, 62500, 65625, 68750, 75000, 77000, 82500, 87500, 93750, 96250, 103125, 105000, 109375, 115500, 125000, 131250, 137500, 144375, 165000, 171875, 175000, 187500, 192500, 206250, 218750, 231000, 240625, 262500, 275000, 288750, 328125, 343750, 375000, 385000, 412500, 437500, 481250, 515625, 525000, 577500, 656250, 687500, 721875, 825000, 875000, 962500, 1031250, 1155000, 1203125, 1312500, 1375000, 1443750, 1925000, 2062500, 2406250, 2625000, 2887500, 3609375, 4125000, 4812500, 5775000, 7218750, 9625000, 14437500, 28875000]

約数ペア:

[(1, 28875000), (2, 14437500), (3, 9625000), (4, 7218750), (5, 5775000), (6, 4812500), (7, 4125000), (8, 3609375), (10, 2887500), (11, 2625000), (12, 2406250), (14, 2062500), (15, 1925000), (20, 1443750), (21, 1375000), (22, 1312500), (24, 1203125), (25, 1155000), (28, 1031250), (30, 962500), (33, 875000), (35, 825000), (40, 721875), (42, 687500), (44, 656250), (50, 577500), (55, 525000), (56, 515625), (60, 481250), (66, 437500), (70, 412500), (75, 385000), (77, 375000), (84, 343750), (88, 328125), (100, 288750), (105, 275000), (110, 262500), (120, 240625), (125, 231000), (132, 218750), (140, 206250), (150, 192500), (154, 187500), (165, 175000), (168, 171875), (175, 165000), (200, 144375), (210, 137500), (220, 131250), (231, 125000), (250, 115500), (264, 109375), (275, 105000), (280, 103125), (300, 96250), (308, 93750), (330, 87500), (350, 82500), (375, 77000), (385, 75000), (420, 68750), (440, 65625), (462, 62500), (500, 57750), (525, 55000), (550, 52500), (600, 48125), (616, 46875), (625, 46200), (660, 43750), (700, 41250), (750, 38500), (770, 37500), (825, 35000), (840, 34375), (875, 33000), (924, 31250), (1000, 28875), (1050, 27500), (1100, 26250), (1155, 25000), (1250, 23100), (1320, 21875), (1375, 21000), (1400, 20625), (1500, 19250), (1540, 18750), (1650, 17500), (1750, 16500), (1848, 15625), (1875, 15400), (1925, 15000), (2100, 13750), (2200, 13125), (2310, 12500), (2500, 11550), (2625, 11000), (2750, 10500), (3000, 9625), (3080, 9375), (3125, 9240), (3300, 8750), (3500, 8250), (3750, 7700), (3850, 7500), (4125, 7000), (4200, 6875), (4375, 6600), (4620, 6250), (5000, 5775), (5250, 5500)]