262521840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:839

約数の個数: 160

約数和(自身を含む): 934940160

約数和(自身を除く): 672418320

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, 307, 336, 420, 509, 560, 614, 840, 921, 1018, 1228, 1527, 1535, 1680, 1842, 2036, 2149, 2456, 2545, 3054, 3070, 3563, 3684, 4072, 4298, 4605, 4912, 5090, 6108, 6140, 6447, 7126, 7368, 7635, 8144, 8596, 9210, 10180, 10689, 10745, 12216, 12280, 12894, 14252, 14736, 15270, 17192, 17815, 18420, 20360, 21378, 21490, 24432, 24560, 25788, 28504, 30540, 32235, 34384, 35630, 36840, 40720, 42756, 42980, 51576, 53445, 57008, 61080, 64470, 71260, 73680, 85512, 85960, 103152, 106890, 122160, 128940, 142520, 156263, 171024, 171920, 213780, 257880, 285040, 312526, 427560, 468789, 515760, 625052, 781315, 855120, 937578, 1093841, 1250104, 1562630, 1875156, 2187682, 2343945, 2500208, 3125260, 3281523, 3750312, 4375364, 4687890, 5469205, 6250520, 6563046, 7500624, 8750728, 9375780, 10938410, 12501040, 13126092, 16407615, 17501456, 18751560, 21876820, 26252184, 32815230, 37503120, 43753640, 52504368, 65630460, 87507280, 131260920, 262521840]

約数ペア:

[(1, 262521840), (2, 131260920), (3, 87507280), (4, 65630460), (5, 52504368), (6, 43753640), (7, 37503120), (8, 32815230), (10, 26252184), (12, 21876820), (14, 18751560), (15, 17501456), (16, 16407615), (20, 13126092), (21, 12501040), (24, 10938410), (28, 9375780), (30, 8750728), (35, 7500624), (40, 6563046), (42, 6250520), (48, 5469205), (56, 4687890), (60, 4375364), (70, 3750312), (80, 3281523), (84, 3125260), (105, 2500208), (112, 2343945), (120, 2187682), (140, 1875156), (168, 1562630), (210, 1250104), (240, 1093841), (280, 937578), (307, 855120), (336, 781315), (420, 625052), (509, 515760), (560, 468789), (614, 427560), (840, 312526), (921, 285040), (1018, 257880), (1228, 213780), (1527, 171920), (1535, 171024), (1680, 156263), (1842, 142520), (2036, 128940), (2149, 122160), (2456, 106890), (2545, 103152), (3054, 85960), (3070, 85512), (3563, 73680), (3684, 71260), (4072, 64470), (4298, 61080), (4605, 57008), (4912, 53445), (5090, 51576), (6108, 42980), (6140, 42756), (6447, 40720), (7126, 36840), (7368, 35630), (7635, 34384), (8144, 32235), (8596, 30540), (9210, 28504), (10180, 25788), (10689, 24560), (10745, 24432), (12216, 21490), (12280, 21378), (12894, 20360), (14252, 18420), (14736, 17815), (15270, 17192)]