1521438380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1889}}^1$

素因数の和:2439

約数の個数: 96

約数和(自身を含む): 3993131520

約数和(自身を除く): 2471693140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 523, 770, 1046, 1540, 1889, 2092, 2615, 3661, 3778, 5230, 5753, 7322, 7556, 9445, 10460, 11506, 13223, 14644, 18305, 18890, 20779, 23012, 26446, 28765, 36610, 37780, 40271, 41558, 52892, 57530, 66115, 73220, 80542, 83116, 103895, 115060, 132230, 145453, 161084, 201355, 207790, 264460, 290906, 402710, 415580, 581812, 727265, 805420, 987947, 1454530, 1975894, 2909060, 3951788, 4939735, 6915629, 9879470, 10867417, 13831258, 19758940, 21734834, 27662516, 34578145, 43469668, 54337085, 69156290, 76071919, 108674170, 138312580, 152143838, 217348340, 304287676, 380359595, 760719190, 1521438380]

約数ペア:

[(1, 1521438380), (2, 760719190), (4, 380359595), (5, 304287676), (7, 217348340), (10, 152143838), (11, 138312580), (14, 108674170), (20, 76071919), (22, 69156290), (28, 54337085), (35, 43469668), (44, 34578145), (55, 27662516), (70, 21734834), (77, 19758940), (110, 13831258), (140, 10867417), (154, 9879470), (220, 6915629), (308, 4939735), (385, 3951788), (523, 2909060), (770, 1975894), (1046, 1454530), (1540, 987947), (1889, 805420), (2092, 727265), (2615, 581812), (3661, 415580), (3778, 402710), (5230, 290906), (5753, 264460), (7322, 207790), (7556, 201355), (9445, 161084), (10460, 145453), (11506, 132230), (13223, 115060), (14644, 103895), (18305, 83116), (18890, 80542), (20779, 73220), (23012, 66115), (26446, 57530), (28765, 52892), (36610, 41558), (37780, 40271)]