644940864

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1969

約数の個数: 168

約数和(自身を含む): 2009729280

約数和(自身を除く): 1364788416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 64, 72, 76, 93, 96, 114, 124, 144, 152, 171, 186, 192, 228, 248, 279, 288, 304, 342, 372, 456, 496, 558, 576, 589, 608, 684, 744, 912, 992, 1116, 1178, 1216, 1368, 1488, 1767, 1824, 1901, 1984, 2232, 2356, 2736, 2976, 3534, 3648, 3802, 4464, 4712, 5301, 5472, 5703, 5952, 7068, 7604, 8928, 9424, 10602, 10944, 11406, 14136, 15208, 17109, 17856, 18848, 21204, 22812, 28272, 30416, 34218, 36119, 37696, 42408, 45624, 56544, 58931, 60832, 68436, 72238, 84816, 91248, 108357, 113088, 117862, 121664, 136872, 144476, 169632, 176793, 182496, 216714, 235724, 273744, 288952, 325071, 339264, 353586, 364992, 433428, 471448, 530379, 547488, 577904, 650142, 707172, 866856, 942896, 1060758, 1094976, 1119689, 1155808, 1300284, 1414344, 1733712, 1885792, 2121516, 2239378, 2311616, 2600568, 2828688, 3359067, 3467424, 3771584, 4243032, 4478756, 5201136, 5657376, 6718134, 6934848, 8486064, 8957512, 10077201, 10402272, 11314752, 13436268, 16972128, 17915024, 20154402, 20804544, 26872536, 33944256, 35830048, 40308804, 53745072, 71660096, 80617608, 107490144, 161235216, 214980288, 322470432, 644940864]

約数ペア:

[(1, 644940864), (2, 322470432), (3, 214980288), (4, 161235216), (6, 107490144), (8, 80617608), (9, 71660096), (12, 53745072), (16, 40308804), (18, 35830048), (19, 33944256), (24, 26872536), (31, 20804544), (32, 20154402), (36, 17915024), (38, 16972128), (48, 13436268), (57, 11314752), (62, 10402272), (64, 10077201), (72, 8957512), (76, 8486064), (93, 6934848), (96, 6718134), (114, 5657376), (124, 5201136), (144, 4478756), (152, 4243032), (171, 3771584), (186, 3467424), (192, 3359067), (228, 2828688), (248, 2600568), (279, 2311616), (288, 2239378), (304, 2121516), (342, 1885792), (372, 1733712), (456, 1414344), (496, 1300284), (558, 1155808), (576, 1119689), (589, 1094976), (608, 1060758), (684, 942896), (744, 866856), (912, 707172), (992, 650142), (1116, 577904), (1178, 547488), (1216, 530379), (1368, 471448), (1488, 433428), (1767, 364992), (1824, 353586), (1901, 339264), (1984, 325071), (2232, 288952), (2356, 273744), (2736, 235724), (2976, 216714), (3534, 182496), (3648, 176793), (3802, 169632), (4464, 144476), (4712, 136872), (5301, 121664), (5472, 117862), (5703, 113088), (5952, 108357), (7068, 91248), (7604, 84816), (8928, 72238), (9424, 68436), (10602, 60832), (10944, 58931), (11406, 56544), (14136, 45624), (15208, 42408), (17109, 37696), (17856, 36119), (18848, 34218), (21204, 30416), (22812, 28272)]