131260920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 452390400

約数和(自身を除く): 321129480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 509, 614, 840, 921, 1018, 1228, 1527, 1535, 1842, 2036, 2149, 2456, 2545, 3054, 3070, 3563, 3684, 4072, 4298, 4605, 5090, 6108, 6140, 6447, 7126, 7368, 7635, 8596, 9210, 10180, 10689, 10745, 12216, 12280, 12894, 14252, 15270, 17192, 17815, 18420, 20360, 21378, 21490, 25788, 28504, 30540, 32235, 35630, 36840, 42756, 42980, 51576, 53445, 61080, 64470, 71260, 85512, 85960, 106890, 128940, 142520, 156263, 213780, 257880, 312526, 427560, 468789, 625052, 781315, 937578, 1093841, 1250104, 1562630, 1875156, 2187682, 2343945, 3125260, 3281523, 3750312, 4375364, 4687890, 5469205, 6250520, 6563046, 8750728, 9375780, 10938410, 13126092, 16407615, 18751560, 21876820, 26252184, 32815230, 43753640, 65630460, 131260920]

約数ペア:

[(1, 131260920), (2, 65630460), (3, 43753640), (4, 32815230), (5, 26252184), (6, 21876820), (7, 18751560), (8, 16407615), (10, 13126092), (12, 10938410), (14, 9375780), (15, 8750728), (20, 6563046), (21, 6250520), (24, 5469205), (28, 4687890), (30, 4375364), (35, 3750312), (40, 3281523), (42, 3125260), (56, 2343945), (60, 2187682), (70, 1875156), (84, 1562630), (105, 1250104), (120, 1093841), (140, 937578), (168, 781315), (210, 625052), (280, 468789), (307, 427560), (420, 312526), (509, 257880), (614, 213780), (840, 156263), (921, 142520), (1018, 128940), (1228, 106890), (1527, 85960), (1535, 85512), (1842, 71260), (2036, 64470), (2149, 61080), (2456, 53445), (2545, 51576), (3054, 42980), (3070, 42756), (3563, 36840), (3684, 35630), (4072, 32235), (4298, 30540), (4605, 28504), (5090, 25788), (6108, 21490), (6140, 21378), (6447, 20360), (7126, 18420), (7368, 17815), (7635, 17192), (8596, 15270), (9210, 14252), (10180, 12894), (10689, 12280), (10745, 12216)]