638874240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 256

約数和(自身を含む): 2179699200

約数和(自身を除く): 1540824960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 83, 95, 96, 114, 120, 128, 152, 160, 166, 190, 192, 211, 228, 240, 249, 285, 304, 320, 332, 380, 384, 415, 422, 456, 480, 498, 570, 608, 633, 640, 664, 760, 830, 844, 912, 960, 996, 1055, 1140, 1216, 1245, 1266, 1328, 1520, 1577, 1660, 1688, 1824, 1920, 1992, 2110, 2280, 2432, 2490, 2532, 2656, 3040, 3154, 3165, 3320, 3376, 3648, 3984, 4009, 4220, 4560, 4731, 4980, 5064, 5312, 6080, 6308, 6330, 6640, 6752, 7296, 7885, 7968, 8018, 8440, 9120, 9462, 9960, 10128, 10624, 12027, 12160, 12616, 12660, 13280, 13504, 15770, 15936, 16036, 16880, 17513, 18240, 18924, 19920, 20045, 20256, 23655, 24054, 25232, 25320, 26560, 27008, 31540, 31872, 32072, 33760, 35026, 36480, 37848, 39840, 40090, 40512, 47310, 48108, 50464, 50640, 52539, 53120, 60135, 63080, 64144, 67520, 70052, 75696, 79680, 80180, 81024, 87565, 94620, 96216, 100928, 101280, 105078, 120270, 126160, 128288, 135040, 140104, 151392, 159360, 160360, 175130, 189240, 192432, 201856, 202560, 210156, 240540, 252320, 256576, 262695, 280208, 302784, 320720, 332747, 350260, 378480, 384864, 405120, 420312, 481080, 504640, 513152, 525390, 560416, 605568, 641440, 665494, 700520, 756960, 769728, 840624, 962160, 998241, 1009280, 1050780, 1120832, 1282880, 1330988, 1401040, 1513920, 1539456, 1663735, 1681248, 1924320, 1996482, 2101560, 2241664, 2565760, 2661976, 2802080, 3027840, 3327470, 3362496, 3848640, 3992964, 4203120, 4991205, 5323952, 5604160, 6654940, 6724992, 7697280, 7985928, 8406240, 9982410, 10647904, 11208320, 13309880, 15971856, 16812480, 19964820, 21295808, 26619760, 31943712, 33624960, 39929640, 42591616, 53239520, 63887424, 79859280, 106479040, 127774848, 159718560, 212958080, 319437120, 638874240]

約数ペア:

[(1, 638874240), (2, 319437120), (3, 212958080), (4, 159718560), (5, 127774848), (6, 106479040), (8, 79859280), (10, 63887424), (12, 53239520), (15, 42591616), (16, 39929640), (19, 33624960), (20, 31943712), (24, 26619760), (30, 21295808), (32, 19964820), (38, 16812480), (40, 15971856), (48, 13309880), (57, 11208320), (60, 10647904), (64, 9982410), (76, 8406240), (80, 7985928), (83, 7697280), (95, 6724992), (96, 6654940), (114, 5604160), (120, 5323952), (128, 4991205), (152, 4203120), (160, 3992964), (166, 3848640), (190, 3362496), (192, 3327470), (211, 3027840), (228, 2802080), (240, 2661976), (249, 2565760), (285, 2241664), (304, 2101560), (320, 1996482), (332, 1924320), (380, 1681248), (384, 1663735), (415, 1539456), (422, 1513920), (456, 1401040), (480, 1330988), (498, 1282880), (570, 1120832), (608, 1050780), (633, 1009280), (640, 998241), (664, 962160), (760, 840624), (830, 769728), (844, 756960), (912, 700520), (960, 665494), (996, 641440), (1055, 605568), (1140, 560416), (1216, 525390), (1245, 513152), (1266, 504640), (1328, 481080), (1520, 420312), (1577, 405120), (1660, 384864), (1688, 378480), (1824, 350260), (1920, 332747), (1992, 320720), (2110, 302784), (2280, 280208), (2432, 262695), (2490, 256576), (2532, 252320), (2656, 240540), (3040, 210156), (3154, 202560), (3165, 201856), (3320, 192432), (3376, 189240), (3648, 175130), (3984, 160360), (4009, 159360), (4220, 151392), (4560, 140104), (4731, 135040), (4980, 128288), (5064, 126160), (5312, 120270), (6080, 105078), (6308, 101280), (6330, 100928), (6640, 96216), (6752, 94620), (7296, 87565), (7885, 81024), (7968, 80180), (8018, 79680), (8440, 75696), (9120, 70052), (9462, 67520), (9960, 64144), (10128, 63080), (10624, 60135), (12027, 53120), (12160, 52539), (12616, 50640), (12660, 50464), (13280, 48108), (13504, 47310), (15770, 40512), (15936, 40090), (16036, 39840), (16880, 37848), (17513, 36480), (18240, 35026), (18924, 33760), (19920, 32072), (20045, 31872), (20256, 31540), (23655, 27008), (24054, 26560), (25232, 25320)]