42080640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 159805440

約数和(自身を除く): 117724800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 101, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 202, 210, 217, 224, 240, 248, 280, 303, 310, 320, 336, 372, 384, 404, 420, 434, 448, 465, 480, 496, 505, 560, 606, 620, 640, 651, 672, 707, 744, 808, 840, 868, 896, 930, 960, 992, 1010, 1085, 1120, 1212, 1240, 1302, 1344, 1414, 1488, 1515, 1616, 1680, 1736, 1860, 1920, 1984, 2020, 2121, 2170, 2240, 2424, 2480, 2604, 2688, 2828, 2976, 3030, 3131, 3232, 3255, 3360, 3472, 3535, 3720, 3968, 4040, 4242, 4340, 4480, 4848, 4960, 5208, 5656, 5952, 6060, 6262, 6464, 6510, 6720, 6944, 7070, 7440, 8080, 8484, 8680, 9393, 9696, 9920, 10416, 10605, 11312, 11904, 12120, 12524, 12928, 13020, 13440, 13888, 14140, 14880, 15655, 16160, 16968, 17360, 18786, 19392, 19840, 20832, 21210, 21917, 22624, 24240, 25048, 26040, 27776, 28280, 29760, 31310, 32320, 33936, 34720, 37572, 38784, 41664, 42420, 43834, 45248, 46965, 48480, 50096, 52080, 56560, 59520, 62620, 64640, 65751, 67872, 69440, 75144, 83328, 84840, 87668, 90496, 93930, 96960, 100192, 104160, 109585, 113120, 125240, 131502, 135744, 138880, 150288, 169680, 175336, 187860, 193920, 200384, 208320, 219170, 226240, 250480, 263004, 271488, 300576, 328755, 339360, 350672, 375720, 400768, 416640, 438340, 452480, 500960, 526008, 601152, 657510, 678720, 701344, 751440, 876680, 1001920, 1052016, 1202304, 1315020, 1357440, 1402688, 1502880, 1753360, 2003840, 2104032, 2630040, 2805376, 3005760, 3506720, 4208064, 5260080, 6011520, 7013440, 8416128, 10520160, 14026880, 21040320, 42080640]

約数ペア:

[(1, 42080640), (2, 21040320), (3, 14026880), (4, 10520160), (5, 8416128), (6, 7013440), (7, 6011520), (8, 5260080), (10, 4208064), (12, 3506720), (14, 3005760), (15, 2805376), (16, 2630040), (20, 2104032), (21, 2003840), (24, 1753360), (28, 1502880), (30, 1402688), (31, 1357440), (32, 1315020), (35, 1202304), (40, 1052016), (42, 1001920), (48, 876680), (56, 751440), (60, 701344), (62, 678720), (64, 657510), (70, 601152), (80, 526008), (84, 500960), (93, 452480), (96, 438340), (101, 416640), (105, 400768), (112, 375720), (120, 350672), (124, 339360), (128, 328755), (140, 300576), (155, 271488), (160, 263004), (168, 250480), (186, 226240), (192, 219170), (202, 208320), (210, 200384), (217, 193920), (224, 187860), (240, 175336), (248, 169680), (280, 150288), (303, 138880), (310, 135744), (320, 131502), (336, 125240), (372, 113120), (384, 109585), (404, 104160), (420, 100192), (434, 96960), (448, 93930), (465, 90496), (480, 87668), (496, 84840), (505, 83328), (560, 75144), (606, 69440), (620, 67872), (640, 65751), (651, 64640), (672, 62620), (707, 59520), (744, 56560), (808, 52080), (840, 50096), (868, 48480), (896, 46965), (930, 45248), (960, 43834), (992, 42420), (1010, 41664), (1085, 38784), (1120, 37572), (1212, 34720), (1240, 33936), (1302, 32320), (1344, 31310), (1414, 29760), (1488, 28280), (1515, 27776), (1616, 26040), (1680, 25048), (1736, 24240), (1860, 22624), (1920, 21917), (1984, 21210), (2020, 20832), (2121, 19840), (2170, 19392), (2240, 18786), (2424, 17360), (2480, 16968), (2604, 16160), (2688, 15655), (2828, 14880), (2976, 14140), (3030, 13888), (3131, 13440), (3232, 13020), (3255, 12928), (3360, 12524), (3472, 12120), (3535, 11904), (3720, 11312), (3968, 10605), (4040, 10416), (4242, 9920), (4340, 9696), (4480, 9393), (4848, 8680), (4960, 8484), (5208, 8080), (5656, 7440), (5952, 7070), (6060, 6944), (6262, 6720), (6464, 6510)]