644037984

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3181}}^1$

素因数の和:3253

約数の個数: 144

約数和(自身を含む): 1980604080

約数和(自身を除く): 1336566096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 72, 74, 76, 96, 111, 114, 144, 148, 152, 171, 222, 228, 288, 296, 304, 333, 342, 444, 456, 592, 608, 666, 684, 703, 888, 912, 1184, 1332, 1368, 1406, 1776, 1824, 2109, 2664, 2736, 2812, 3181, 3552, 4218, 5328, 5472, 5624, 6327, 6362, 8436, 9543, 10656, 11248, 12654, 12724, 16872, 19086, 22496, 25308, 25448, 28629, 33744, 38172, 50616, 50896, 57258, 60439, 67488, 76344, 101232, 101792, 114516, 117697, 120878, 152688, 181317, 202464, 229032, 235394, 241756, 305376, 353091, 362634, 458064, 470788, 483512, 543951, 706182, 725268, 916128, 941576, 967024, 1059273, 1087902, 1412364, 1450536, 1883152, 1934048, 2118546, 2175804, 2236243, 2824728, 2901072, 3766304, 4237092, 4351608, 4472486, 5649456, 5802144, 6708729, 8474184, 8703216, 8944972, 11298912, 13417458, 16948368, 17406432, 17889944, 20126187, 26834916, 33896736, 35779888, 40252374, 53669832, 71559776, 80504748, 107339664, 161009496, 214679328, 322018992, 644037984]

約数ペア:

[(1, 644037984), (2, 322018992), (3, 214679328), (4, 161009496), (6, 107339664), (8, 80504748), (9, 71559776), (12, 53669832), (16, 40252374), (18, 35779888), (19, 33896736), (24, 26834916), (32, 20126187), (36, 17889944), (37, 17406432), (38, 16948368), (48, 13417458), (57, 11298912), (72, 8944972), (74, 8703216), (76, 8474184), (96, 6708729), (111, 5802144), (114, 5649456), (144, 4472486), (148, 4351608), (152, 4237092), (171, 3766304), (222, 2901072), (228, 2824728), (288, 2236243), (296, 2175804), (304, 2118546), (333, 1934048), (342, 1883152), (444, 1450536), (456, 1412364), (592, 1087902), (608, 1059273), (666, 967024), (684, 941576), (703, 916128), (888, 725268), (912, 706182), (1184, 543951), (1332, 483512), (1368, 470788), (1406, 458064), (1776, 362634), (1824, 353091), (2109, 305376), (2664, 241756), (2736, 235394), (2812, 229032), (3181, 202464), (3552, 181317), (4218, 152688), (5328, 120878), (5472, 117697), (5624, 114516), (6327, 101792), (6362, 101232), (8436, 76344), (9543, 67488), (10656, 60439), (11248, 57258), (12654, 50896), (12724, 50616), (16872, 38172), (19086, 33744), (22496, 28629), (25308, 25448)]