1289465520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{767539}}^1$

素因数の和:767562

約数の個数: 80

約数和(自身を含む): 4568398080

約数和(自身を除く): 3278932560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 767539, 1535078, 2302617, 3070156, 3837695, 4605234, 5372773, 6140312, 7675390, 9210468, 10745546, 11513085, 12280624, 15350780, 16118319, 18420936, 21491092, 23026170, 26863865, 30701560, 32236638, 36841872, 42982184, 46052340, 53727730, 61403120, 64473276, 80591595, 85964368, 92104680, 107455460, 128946552, 161183190, 184209360, 214910920, 257893104, 322366380, 429821840, 644732760, 1289465520]

約数ペア:

[(1, 1289465520), (2, 644732760), (3, 429821840), (4, 322366380), (5, 257893104), (6, 214910920), (7, 184209360), (8, 161183190), (10, 128946552), (12, 107455460), (14, 92104680), (15, 85964368), (16, 80591595), (20, 64473276), (21, 61403120), (24, 53727730), (28, 46052340), (30, 42982184), (35, 36841872), (40, 32236638), (42, 30701560), (48, 26863865), (56, 23026170), (60, 21491092), (70, 18420936), (80, 16118319), (84, 15350780), (105, 12280624), (112, 11513085), (120, 10745546), (140, 9210468), (168, 7675390), (210, 6140312), (240, 5372773), (280, 4605234), (336, 3837695), (420, 3070156), (560, 2302617), (840, 1535078), (1680, 767539)]