646469280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 288

約数和(自身を含む): 2335132800

約数和(自身を除く): 1688663520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 131, 138, 144, 149, 160, 180, 184, 207, 230, 240, 262, 276, 288, 298, 345, 360, 368, 393, 414, 447, 460, 480, 524, 552, 596, 655, 690, 720, 736, 745, 786, 828, 894, 920, 1035, 1048, 1104, 1179, 1192, 1310, 1341, 1380, 1440, 1490, 1572, 1656, 1788, 1840, 1965, 2070, 2096, 2208, 2235, 2358, 2384, 2620, 2682, 2760, 2980, 3013, 3144, 3312, 3427, 3576, 3680, 3930, 4140, 4192, 4470, 4716, 4768, 5240, 5364, 5520, 5895, 5960, 6026, 6288, 6624, 6705, 6854, 7152, 7860, 8280, 8940, 9039, 9432, 10281, 10480, 10728, 11040, 11790, 11920, 12052, 12576, 13410, 13708, 14304, 15065, 15720, 16560, 17135, 17880, 18078, 18864, 19519, 20562, 20960, 21456, 23580, 23840, 24104, 26820, 27117, 27416, 30130, 30843, 31440, 33120, 34270, 35760, 36156, 37728, 39038, 41124, 42912, 45195, 47160, 48208, 51405, 53640, 54234, 54832, 58557, 60260, 61686, 62880, 68540, 71520, 72312, 78076, 82248, 90390, 94320, 96416, 97595, 102810, 107280, 108468, 109664, 117114, 120520, 123372, 135585, 137080, 144624, 154215, 156152, 164496, 175671, 180780, 188640, 195190, 205620, 214560, 216936, 234228, 241040, 246744, 271170, 274160, 289248, 292785, 308430, 312304, 328992, 351342, 361560, 390380, 411240, 433872, 448937, 468456, 482080, 493488, 542340, 548320, 585570, 616860, 624608, 702684, 723120, 780760, 822480, 867744, 878355, 897874, 936912, 986976, 1084680, 1171140, 1233720, 1346811, 1405368, 1446240, 1561520, 1644960, 1756710, 1795748, 1873824, 2169360, 2244685, 2342280, 2467440, 2693622, 2810736, 3123040, 3513420, 3591496, 4040433, 4338720, 4489370, 4684560, 4934880, 5387244, 5621472, 6734055, 7026840, 7182992, 8080866, 8978740, 9369120, 10774488, 13468110, 14053680, 14365984, 16161732, 17957480, 20202165, 21548976, 26936220, 28107360, 32323464, 35914960, 40404330, 43097952, 53872440, 64646928, 71829920, 80808660, 107744880, 129293856, 161617320, 215489760, 323234640, 646469280]

約数ペア:

[(1, 646469280), (2, 323234640), (3, 215489760), (4, 161617320), (5, 129293856), (6, 107744880), (8, 80808660), (9, 71829920), (10, 64646928), (12, 53872440), (15, 43097952), (16, 40404330), (18, 35914960), (20, 32323464), (23, 28107360), (24, 26936220), (30, 21548976), (32, 20202165), (36, 17957480), (40, 16161732), (45, 14365984), (46, 14053680), (48, 13468110), (60, 10774488), (69, 9369120), (72, 8978740), (80, 8080866), (90, 7182992), (92, 7026840), (96, 6734055), (115, 5621472), (120, 5387244), (131, 4934880), (138, 4684560), (144, 4489370), (149, 4338720), (160, 4040433), (180, 3591496), (184, 3513420), (207, 3123040), (230, 2810736), (240, 2693622), (262, 2467440), (276, 2342280), (288, 2244685), (298, 2169360), (345, 1873824), (360, 1795748), (368, 1756710), (393, 1644960), (414, 1561520), (447, 1446240), (460, 1405368), (480, 1346811), (524, 1233720), (552, 1171140), (596, 1084680), (655, 986976), (690, 936912), (720, 897874), (736, 878355), (745, 867744), (786, 822480), (828, 780760), (894, 723120), (920, 702684), (1035, 624608), (1048, 616860), (1104, 585570), (1179, 548320), (1192, 542340), (1310, 493488), (1341, 482080), (1380, 468456), (1440, 448937), (1490, 433872), (1572, 411240), (1656, 390380), (1788, 361560), (1840, 351342), (1965, 328992), (2070, 312304), (2096, 308430), (2208, 292785), (2235, 289248), (2358, 274160), (2384, 271170), (2620, 246744), (2682, 241040), (2760, 234228), (2980, 216936), (3013, 214560), (3144, 205620), (3312, 195190), (3427, 188640), (3576, 180780), (3680, 175671), (3930, 164496), (4140, 156152), (4192, 154215), (4470, 144624), (4716, 137080), (4768, 135585), (5240, 123372), (5364, 120520), (5520, 117114), (5895, 109664), (5960, 108468), (6026, 107280), (6288, 102810), (6624, 97595), (6705, 96416), (6854, 94320), (7152, 90390), (7860, 82248), (8280, 78076), (8940, 72312), (9039, 71520), (9432, 68540), (10281, 62880), (10480, 61686), (10728, 60260), (11040, 58557), (11790, 54832), (11920, 54234), (12052, 53640), (12576, 51405), (13410, 48208), (13708, 47160), (14304, 45195), (15065, 42912), (15720, 41124), (16560, 39038), (17135, 37728), (17880, 36156), (18078, 35760), (18864, 34270), (19519, 33120), (20562, 31440), (20960, 30843), (21456, 30130), (23580, 27416), (23840, 27117), (24104, 26820)]