28513800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 114516480

約数和(自身を除く): 86002680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 31, 35, 36, 40, 42, 45, 50, 56, 60, 62, 63, 70, 72, 73, 75, 84, 90, 93, 100, 105, 120, 124, 126, 140, 146, 150, 155, 168, 175, 180, 186, 200, 210, 217, 219, 225, 248, 252, 279, 280, 292, 300, 310, 315, 350, 360, 365, 372, 420, 434, 438, 450, 465, 504, 511, 525, 558, 584, 600, 620, 630, 651, 657, 700, 730, 744, 775, 840, 868, 876, 900, 930, 1022, 1050, 1085, 1095, 1116, 1240, 1260, 1302, 1314, 1395, 1400, 1460, 1533, 1550, 1575, 1736, 1752, 1800, 1825, 1860, 1953, 2044, 2100, 2170, 2190, 2232, 2263, 2325, 2520, 2555, 2604, 2628, 2790, 2920, 3066, 3100, 3150, 3255, 3285, 3650, 3720, 3906, 4088, 4200, 4340, 4380, 4526, 4599, 4650, 5110, 5208, 5256, 5425, 5475, 5580, 6132, 6200, 6300, 6510, 6570, 6789, 6975, 7300, 7665, 7812, 8680, 8760, 9052, 9198, 9300, 9765, 10220, 10850, 10950, 11160, 11315, 12264, 12600, 12775, 13020, 13140, 13578, 13950, 14600, 15330, 15624, 15841, 16275, 16425, 18104, 18396, 18600, 19530, 20367, 20440, 21700, 21900, 22630, 22995, 25550, 26040, 26280, 27156, 27900, 30660, 31682, 32550, 32850, 33945, 36792, 38325, 39060, 40734, 43400, 43800, 45260, 45990, 47523, 48825, 51100, 54312, 55800, 56575, 61320, 63364, 65100, 65700, 67890, 76650, 78120, 79205, 81468, 90520, 91980, 95046, 97650, 101835, 102200, 113150, 114975, 126728, 130200, 131400, 135780, 142569, 153300, 158410, 162936, 169725, 183960, 190092, 195300, 203670, 226300, 229950, 237615, 271560, 285138, 306600, 316820, 339450, 380184, 390600, 396025, 407340, 452600, 459900, 475230, 509175, 570276, 633640, 678900, 712845, 792050, 814680, 919800, 950460, 1018350, 1140552, 1188075, 1357800, 1425690, 1584100, 1900920, 2036700, 2376150, 2851380, 3168200, 3564225, 4073400, 4752300, 5702760, 7128450, 9504600, 14256900, 28513800]

約数ペア:

[(1, 28513800), (2, 14256900), (3, 9504600), (4, 7128450), (5, 5702760), (6, 4752300), (7, 4073400), (8, 3564225), (9, 3168200), (10, 2851380), (12, 2376150), (14, 2036700), (15, 1900920), (18, 1584100), (20, 1425690), (21, 1357800), (24, 1188075), (25, 1140552), (28, 1018350), (30, 950460), (31, 919800), (35, 814680), (36, 792050), (40, 712845), (42, 678900), (45, 633640), (50, 570276), (56, 509175), (60, 475230), (62, 459900), (63, 452600), (70, 407340), (72, 396025), (73, 390600), (75, 380184), (84, 339450), (90, 316820), (93, 306600), (100, 285138), (105, 271560), (120, 237615), (124, 229950), (126, 226300), (140, 203670), (146, 195300), (150, 190092), (155, 183960), (168, 169725), (175, 162936), (180, 158410), (186, 153300), (200, 142569), (210, 135780), (217, 131400), (219, 130200), (225, 126728), (248, 114975), (252, 113150), (279, 102200), (280, 101835), (292, 97650), (300, 95046), (310, 91980), (315, 90520), (350, 81468), (360, 79205), (365, 78120), (372, 76650), (420, 67890), (434, 65700), (438, 65100), (450, 63364), (465, 61320), (504, 56575), (511, 55800), (525, 54312), (558, 51100), (584, 48825), (600, 47523), (620, 45990), (630, 45260), (651, 43800), (657, 43400), (700, 40734), (730, 39060), (744, 38325), (775, 36792), (840, 33945), (868, 32850), (876, 32550), (900, 31682), (930, 30660), (1022, 27900), (1050, 27156), (1085, 26280), (1095, 26040), (1116, 25550), (1240, 22995), (1260, 22630), (1302, 21900), (1314, 21700), (1395, 20440), (1400, 20367), (1460, 19530), (1533, 18600), (1550, 18396), (1575, 18104), (1736, 16425), (1752, 16275), (1800, 15841), (1825, 15624), (1860, 15330), (1953, 14600), (2044, 13950), (2100, 13578), (2170, 13140), (2190, 13020), (2232, 12775), (2263, 12600), (2325, 12264), (2520, 11315), (2555, 11160), (2604, 10950), (2628, 10850), (2790, 10220), (2920, 9765), (3066, 9300), (3100, 9198), (3150, 9052), (3255, 8760), (3285, 8680), (3650, 7812), (3720, 7665), (3906, 7300), (4088, 6975), (4200, 6789), (4340, 6570), (4380, 6510), (4526, 6300), (4599, 6200), (4650, 6132), (5110, 5580), (5208, 5475), (5256, 5425)]