79640400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 240

約数和(自身を含む): 307520000

約数和(自身を除く): 227879600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 100, 105, 112, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 240, 266, 280, 285, 300, 304, 336, 350, 380, 399, 400, 420, 456, 475, 499, 525, 532, 560, 570, 600, 665, 700, 760, 798, 840, 912, 950, 998, 1050, 1064, 1140, 1200, 1330, 1400, 1425, 1497, 1520, 1596, 1680, 1900, 1995, 1996, 2100, 2128, 2280, 2495, 2660, 2800, 2850, 2994, 3192, 3325, 3493, 3800, 3990, 3992, 4200, 4560, 4990, 5320, 5700, 5988, 6384, 6650, 6986, 7485, 7600, 7980, 7984, 8400, 9481, 9975, 9980, 10479, 10640, 11400, 11976, 12475, 13300, 13972, 14970, 15960, 17465, 18962, 19950, 19960, 20958, 22800, 23952, 24950, 26600, 27944, 28443, 29940, 31920, 34930, 37425, 37924, 39900, 39920, 41916, 47405, 49900, 52395, 53200, 55888, 56886, 59880, 66367, 69860, 74850, 75848, 79800, 83832, 87325, 94810, 99800, 104790, 113772, 119760, 132734, 139720, 142215, 149700, 151696, 159600, 167664, 174650, 189620, 199101, 199600, 209580, 227544, 237025, 261975, 265468, 279440, 284430, 299400, 331835, 349300, 379240, 398202, 419160, 455088, 474050, 523950, 530936, 568860, 598800, 663670, 698600, 711075, 758480, 796404, 838320, 948100, 995505, 1047900, 1061872, 1137720, 1327340, 1397200, 1422150, 1592808, 1659175, 1896200, 1991010, 2095800, 2275440, 2654680, 2844300, 3185616, 3318350, 3792400, 3982020, 4191600, 4977525, 5309360, 5688600, 6636700, 7964040, 9955050, 11377200, 13273400, 15928080, 19910100, 26546800, 39820200, 79640400]

約数ペア:

[(1, 79640400), (2, 39820200), (3, 26546800), (4, 19910100), (5, 15928080), (6, 13273400), (7, 11377200), (8, 9955050), (10, 7964040), (12, 6636700), (14, 5688600), (15, 5309360), (16, 4977525), (19, 4191600), (20, 3982020), (21, 3792400), (24, 3318350), (25, 3185616), (28, 2844300), (30, 2654680), (35, 2275440), (38, 2095800), (40, 1991010), (42, 1896200), (48, 1659175), (50, 1592808), (56, 1422150), (57, 1397200), (60, 1327340), (70, 1137720), (75, 1061872), (76, 1047900), (80, 995505), (84, 948100), (95, 838320), (100, 796404), (105, 758480), (112, 711075), (114, 698600), (120, 663670), (133, 598800), (140, 568860), (150, 530936), (152, 523950), (168, 474050), (175, 455088), (190, 419160), (200, 398202), (210, 379240), (228, 349300), (240, 331835), (266, 299400), (280, 284430), (285, 279440), (300, 265468), (304, 261975), (336, 237025), (350, 227544), (380, 209580), (399, 199600), (400, 199101), (420, 189620), (456, 174650), (475, 167664), (499, 159600), (525, 151696), (532, 149700), (560, 142215), (570, 139720), (600, 132734), (665, 119760), (700, 113772), (760, 104790), (798, 99800), (840, 94810), (912, 87325), (950, 83832), (998, 79800), (1050, 75848), (1064, 74850), (1140, 69860), (1200, 66367), (1330, 59880), (1400, 56886), (1425, 55888), (1497, 53200), (1520, 52395), (1596, 49900), (1680, 47405), (1900, 41916), (1995, 39920), (1996, 39900), (2100, 37924), (2128, 37425), (2280, 34930), (2495, 31920), (2660, 29940), (2800, 28443), (2850, 27944), (2994, 26600), (3192, 24950), (3325, 23952), (3493, 22800), (3800, 20958), (3990, 19960), (3992, 19950), (4200, 18962), (4560, 17465), (4990, 15960), (5320, 14970), (5700, 13972), (5988, 13300), (6384, 12475), (6650, 11976), (6986, 11400), (7485, 10640), (7600, 10479), (7980, 9980), (7984, 9975), (8400, 9481)]