642201216

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 1938816000

約数和(自身を除く): 1296614784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 43, 46, 48, 57, 64, 69, 76, 86, 89, 92, 96, 114, 128, 129, 138, 152, 172, 178, 184, 192, 228, 258, 267, 276, 304, 344, 356, 368, 384, 437, 456, 516, 534, 552, 608, 688, 712, 736, 817, 874, 912, 989, 1032, 1068, 1104, 1216, 1311, 1376, 1424, 1472, 1634, 1691, 1748, 1824, 1978, 2047, 2064, 2136, 2208, 2432, 2451, 2622, 2752, 2848, 2944, 2967, 3268, 3382, 3496, 3648, 3827, 3956, 4094, 4128, 4272, 4416, 4902, 5073, 5244, 5504, 5696, 5934, 6141, 6536, 6764, 6992, 7296, 7654, 7912, 8188, 8256, 8544, 8832, 9804, 10146, 10488, 11392, 11481, 11868, 12282, 13072, 13528, 13984, 15308, 15824, 16376, 16512, 17088, 18791, 19608, 20292, 20976, 22962, 23736, 24564, 26144, 27056, 27968, 30616, 31648, 32752, 34176, 37582, 38893, 39216, 40584, 41952, 45924, 47472, 49128, 52288, 54112, 55936, 56373, 61232, 63296, 65504, 72713, 75164, 77786, 78432, 81168, 83904, 88021, 91848, 94944, 98256, 104576, 108224, 112746, 116679, 122464, 126592, 131008, 145426, 150328, 155572, 156864, 162336, 167808, 176042, 183696, 189888, 196512, 216448, 218139, 225492, 233358, 244928, 262016, 264063, 290852, 300656, 311144, 313728, 324672, 352084, 367392, 379776, 393024, 436278, 450984, 466716, 489856, 528126, 581704, 601312, 622288, 649344, 704168, 734784, 786048, 872556, 901968, 933432, 1056252, 1163408, 1202624, 1244576, 1408336, 1469568, 1672399, 1745112, 1803936, 1866864, 2112504, 2326816, 2405248, 2489152, 2816672, 3344798, 3490224, 3607872, 3733728, 4225008, 4653632, 4978304, 5017197, 5633344, 6689596, 6980448, 7215744, 7467456, 8450016, 9307264, 10034394, 11266688, 13379192, 13960896, 14934912, 16900032, 20068788, 26758384, 27921792, 33800064, 40137576, 53516768, 80275152, 107033536, 160550304, 214067072, 321100608, 642201216]

約数ペア:

[(1, 642201216), (2, 321100608), (3, 214067072), (4, 160550304), (6, 107033536), (8, 80275152), (12, 53516768), (16, 40137576), (19, 33800064), (23, 27921792), (24, 26758384), (32, 20068788), (38, 16900032), (43, 14934912), (46, 13960896), (48, 13379192), (57, 11266688), (64, 10034394), (69, 9307264), (76, 8450016), (86, 7467456), (89, 7215744), (92, 6980448), (96, 6689596), (114, 5633344), (128, 5017197), (129, 4978304), (138, 4653632), (152, 4225008), (172, 3733728), (178, 3607872), (184, 3490224), (192, 3344798), (228, 2816672), (258, 2489152), (267, 2405248), (276, 2326816), (304, 2112504), (344, 1866864), (356, 1803936), (368, 1745112), (384, 1672399), (437, 1469568), (456, 1408336), (516, 1244576), (534, 1202624), (552, 1163408), (608, 1056252), (688, 933432), (712, 901968), (736, 872556), (817, 786048), (874, 734784), (912, 704168), (989, 649344), (1032, 622288), (1068, 601312), (1104, 581704), (1216, 528126), (1311, 489856), (1376, 466716), (1424, 450984), (1472, 436278), (1634, 393024), (1691, 379776), (1748, 367392), (1824, 352084), (1978, 324672), (2047, 313728), (2064, 311144), (2136, 300656), (2208, 290852), (2432, 264063), (2451, 262016), (2622, 244928), (2752, 233358), (2848, 225492), (2944, 218139), (2967, 216448), (3268, 196512), (3382, 189888), (3496, 183696), (3648, 176042), (3827, 167808), (3956, 162336), (4094, 156864), (4128, 155572), (4272, 150328), (4416, 145426), (4902, 131008), (5073, 126592), (5244, 122464), (5504, 116679), (5696, 112746), (5934, 108224), (6141, 104576), (6536, 98256), (6764, 94944), (6992, 91848), (7296, 88021), (7654, 83904), (7912, 81168), (8188, 78432), (8256, 77786), (8544, 75164), (8832, 72713), (9804, 65504), (10146, 63296), (10488, 61232), (11392, 56373), (11481, 55936), (11868, 54112), (12282, 52288), (13072, 49128), (13528, 47472), (13984, 45924), (15308, 41952), (15824, 40584), (16376, 39216), (16512, 38893), (17088, 37582), (18791, 34176), (19608, 32752), (20292, 31648), (20976, 30616), (22962, 27968), (23736, 27056), (24564, 26144)]