28719600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:304

約数の個数: 240

約数和(自身を含む): 113659392

約数和(自身を除く): 84939792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 260, 263, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 520, 525, 526, 546, 560, 600, 624, 650, 700, 728, 780, 789, 840, 910, 975, 1040, 1050, 1052, 1092, 1200, 1300, 1315, 1365, 1400, 1456, 1560, 1578, 1680, 1820, 1841, 1950, 2100, 2104, 2184, 2275, 2600, 2630, 2730, 2800, 3120, 3156, 3419, 3640, 3682, 3900, 3945, 4200, 4208, 4368, 4550, 5200, 5260, 5460, 5523, 6312, 6575, 6825, 6838, 7280, 7364, 7800, 7890, 8400, 9100, 9205, 10257, 10520, 10920, 11046, 12624, 13150, 13650, 13676, 14728, 15600, 15780, 17095, 18200, 18410, 19725, 20514, 21040, 21840, 22092, 23933, 26300, 27300, 27352, 27615, 29456, 31560, 34190, 36400, 36820, 39450, 41028, 44184, 46025, 47866, 51285, 52600, 54600, 54704, 55230, 63120, 68380, 71799, 73640, 78900, 82056, 85475, 88368, 92050, 95732, 102570, 105200, 109200, 110460, 119665, 136760, 138075, 143598, 147280, 157800, 164112, 170950, 184100, 191464, 205140, 220920, 239330, 256425, 273520, 276150, 287196, 315600, 341900, 358995, 368200, 382928, 410280, 441840, 478660, 512850, 552300, 574392, 598325, 683800, 717990, 736400, 820560, 957320, 1025700, 1104600, 1148784, 1196650, 1367600, 1435980, 1794975, 1914640, 2051400, 2209200, 2393300, 2871960, 3589950, 4102800, 4786600, 5743920, 7179900, 9573200, 14359800, 28719600]

約数ペア:

[(1, 28719600), (2, 14359800), (3, 9573200), (4, 7179900), (5, 5743920), (6, 4786600), (7, 4102800), (8, 3589950), (10, 2871960), (12, 2393300), (13, 2209200), (14, 2051400), (15, 1914640), (16, 1794975), (20, 1435980), (21, 1367600), (24, 1196650), (25, 1148784), (26, 1104600), (28, 1025700), (30, 957320), (35, 820560), (39, 736400), (40, 717990), (42, 683800), (48, 598325), (50, 574392), (52, 552300), (56, 512850), (60, 478660), (65, 441840), (70, 410280), (75, 382928), (78, 368200), (80, 358995), (84, 341900), (91, 315600), (100, 287196), (104, 276150), (105, 273520), (112, 256425), (120, 239330), (130, 220920), (140, 205140), (150, 191464), (156, 184100), (168, 170950), (175, 164112), (182, 157800), (195, 147280), (200, 143598), (208, 138075), (210, 136760), (240, 119665), (260, 110460), (263, 109200), (273, 105200), (280, 102570), (300, 95732), (312, 92050), (325, 88368), (336, 85475), (350, 82056), (364, 78900), (390, 73640), (400, 71799), (420, 68380), (455, 63120), (520, 55230), (525, 54704), (526, 54600), (546, 52600), (560, 51285), (600, 47866), (624, 46025), (650, 44184), (700, 41028), (728, 39450), (780, 36820), (789, 36400), (840, 34190), (910, 31560), (975, 29456), (1040, 27615), (1050, 27352), (1052, 27300), (1092, 26300), (1200, 23933), (1300, 22092), (1315, 21840), (1365, 21040), (1400, 20514), (1456, 19725), (1560, 18410), (1578, 18200), (1680, 17095), (1820, 15780), (1841, 15600), (1950, 14728), (2100, 13676), (2104, 13650), (2184, 13150), (2275, 12624), (2600, 11046), (2630, 10920), (2730, 10520), (2800, 10257), (3120, 9205), (3156, 9100), (3419, 8400), (3640, 7890), (3682, 7800), (3900, 7364), (3945, 7280), (4200, 6838), (4208, 6825), (4368, 6575), (4550, 6312), (5200, 5523), (5260, 5460)]