643195728

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{23633}}^1$

素因数の和:23663

約数の個数: 120

約数和(自身を含む): 2133488448

約数和(自身を除く): 1490292720

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 756, 972, 1008, 1134, 1296, 1512, 1701, 1944, 2268, 3024, 3402, 3888, 4536, 6804, 9072, 13608, 23633, 27216, 47266, 70899, 94532, 141798, 165431, 189064, 212697, 283596, 330862, 378128, 425394, 496293, 567192, 638091, 661724, 850788, 992586, 1134384, 1276182, 1323448, 1488879, 1701576, 1914273, 1985172, 2552364, 2646896, 2977758, 3403152, 3828546, 3970344, 4466637, 5104728, 5742819, 5955516, 7657092, 7940688, 8933274, 10209456, 11485638, 11911032, 13399911, 15314184, 17866548, 22971276, 23822064, 26799822, 30628368, 35733096, 40199733, 45942552, 53599644, 71466192, 80399466, 91885104, 107199288, 160798932, 214398576, 321597864, 643195728]

約数ペア:

[(1, 643195728), (2, 321597864), (3, 214398576), (4, 160798932), (6, 107199288), (7, 91885104), (8, 80399466), (9, 71466192), (12, 53599644), (14, 45942552), (16, 40199733), (18, 35733096), (21, 30628368), (24, 26799822), (27, 23822064), (28, 22971276), (36, 17866548), (42, 15314184), (48, 13399911), (54, 11911032), (56, 11485638), (63, 10209456), (72, 8933274), (81, 7940688), (84, 7657092), (108, 5955516), (112, 5742819), (126, 5104728), (144, 4466637), (162, 3970344), (168, 3828546), (189, 3403152), (216, 2977758), (243, 2646896), (252, 2552364), (324, 1985172), (336, 1914273), (378, 1701576), (432, 1488879), (486, 1323448), (504, 1276182), (567, 1134384), (648, 992586), (756, 850788), (972, 661724), (1008, 638091), (1134, 567192), (1296, 496293), (1512, 425394), (1701, 378128), (1944, 330862), (2268, 283596), (3024, 212697), (3402, 189064), (3888, 165431), (4536, 141798), (6804, 94532), (9072, 70899), (13608, 47266), (23633, 27216)]