396540840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 256

約数和(自身を含む): 1309777920

約数和(自身を除く): 913237080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 43, 60, 62, 67, 74, 86, 93, 111, 120, 124, 129, 134, 148, 155, 172, 185, 186, 201, 215, 222, 248, 258, 268, 296, 310, 335, 344, 370, 372, 402, 430, 444, 465, 516, 536, 555, 620, 645, 670, 740, 744, 804, 860, 888, 930, 1005, 1032, 1110, 1147, 1240, 1290, 1333, 1340, 1480, 1591, 1608, 1720, 1860, 2010, 2077, 2220, 2294, 2479, 2580, 2666, 2680, 2881, 3182, 3441, 3720, 3999, 4020, 4154, 4440, 4588, 4773, 4958, 5160, 5332, 5735, 5762, 6231, 6364, 6665, 6882, 7437, 7955, 7998, 8040, 8308, 8643, 9176, 9546, 9916, 10385, 10664, 11470, 11524, 12395, 12462, 12728, 13330, 13764, 14405, 14874, 15910, 15996, 16616, 17205, 17286, 19092, 19832, 19995, 20770, 22940, 23048, 23865, 24790, 24924, 26660, 27528, 28810, 29748, 31155, 31820, 31992, 34410, 34572, 37185, 38184, 39990, 41540, 43215, 45880, 47730, 49321, 49580, 49848, 53320, 57620, 59496, 62310, 63640, 68820, 69144, 74370, 76849, 79980, 83080, 86430, 89311, 95460, 98642, 99160, 106597, 115240, 124620, 137640, 147963, 148740, 153698, 159960, 172860, 178622, 190920, 197284, 213194, 230547, 246605, 249240, 267933, 295926, 297480, 307396, 319791, 345720, 357244, 384245, 394568, 426388, 446555, 461094, 493210, 532985, 535866, 591852, 614792, 639582, 714488, 739815, 768490, 852776, 893110, 922188, 986420, 1065970, 1071732, 1152735, 1183704, 1279164, 1339665, 1479630, 1536980, 1598955, 1786220, 1844376, 1972840, 2131940, 2143464, 2305470, 2558328, 2679330, 2959260, 3073960, 3197910, 3304507, 3572440, 4263880, 4610940, 5358660, 5918520, 6395820, 6609014, 9221880, 9913521, 10717320, 12791640, 13218028, 16522535, 19827042, 26436056, 33045070, 39654084, 49567605, 66090140, 79308168, 99135210, 132180280, 198270420, 396540840]

約数ペア:

[(1, 396540840), (2, 198270420), (3, 132180280), (4, 99135210), (5, 79308168), (6, 66090140), (8, 49567605), (10, 39654084), (12, 33045070), (15, 26436056), (20, 19827042), (24, 16522535), (30, 13218028), (31, 12791640), (37, 10717320), (40, 9913521), (43, 9221880), (60, 6609014), (62, 6395820), (67, 5918520), (74, 5358660), (86, 4610940), (93, 4263880), (111, 3572440), (120, 3304507), (124, 3197910), (129, 3073960), (134, 2959260), (148, 2679330), (155, 2558328), (172, 2305470), (185, 2143464), (186, 2131940), (201, 1972840), (215, 1844376), (222, 1786220), (248, 1598955), (258, 1536980), (268, 1479630), (296, 1339665), (310, 1279164), (335, 1183704), (344, 1152735), (370, 1071732), (372, 1065970), (402, 986420), (430, 922188), (444, 893110), (465, 852776), (516, 768490), (536, 739815), (555, 714488), (620, 639582), (645, 614792), (670, 591852), (740, 535866), (744, 532985), (804, 493210), (860, 461094), (888, 446555), (930, 426388), (1005, 394568), (1032, 384245), (1110, 357244), (1147, 345720), (1240, 319791), (1290, 307396), (1333, 297480), (1340, 295926), (1480, 267933), (1591, 249240), (1608, 246605), (1720, 230547), (1860, 213194), (2010, 197284), (2077, 190920), (2220, 178622), (2294, 172860), (2479, 159960), (2580, 153698), (2666, 148740), (2680, 147963), (2881, 137640), (3182, 124620), (3441, 115240), (3720, 106597), (3999, 99160), (4020, 98642), (4154, 95460), (4440, 89311), (4588, 86430), (4773, 83080), (4958, 79980), (5160, 76849), (5332, 74370), (5735, 69144), (5762, 68820), (6231, 63640), (6364, 62310), (6665, 59496), (6882, 57620), (7437, 53320), (7955, 49848), (7998, 49580), (8040, 49321), (8308, 47730), (8643, 45880), (9176, 43215), (9546, 41540), (9916, 39990), (10385, 38184), (10664, 37185), (11470, 34572), (11524, 34410), (12395, 31992), (12462, 31820), (12728, 31155), (13330, 29748), (13764, 28810), (14405, 27528), (14874, 26660), (15910, 24924), (15996, 24790), (16616, 23865), (17205, 23048), (17286, 22940), (19092, 20770), (19832, 19995)]