20878528080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{4721}}^1\times {\mathrm{18427}}^1$

素因数の和:23164

約数の個数: 80

約数和(自身を含む): 64740659904

約数和(自身を除く): 43862131824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 4721, 9442, 14163, 18427, 18884, 23605, 28326, 36854, 37768, 47210, 55281, 56652, 70815, 73708, 75536, 92135, 94420, 110562, 113304, 141630, 147416, 184270, 188840, 221124, 226608, 276405, 283260, 294832, 368540, 377680, 442248, 552810, 566520, 737080, 884496, 1105620, 1133040, 1474160, 2211240, 4422480, 86993867, 173987734, 260981601, 347975468, 434969335, 521963202, 695950936, 869938670, 1043926404, 1304908005, 1391901872, 1739877340, 2087852808, 2609816010, 3479754680, 4175705616, 5219632020, 6959509360, 10439264040, 20878528080]

約数ペア:

[(1, 20878528080), (2, 10439264040), (3, 6959509360), (4, 5219632020), (5, 4175705616), (6, 3479754680), (8, 2609816010), (10, 2087852808), (12, 1739877340), (15, 1391901872), (16, 1304908005), (20, 1043926404), (24, 869938670), (30, 695950936), (40, 521963202), (48, 434969335), (60, 347975468), (80, 260981601), (120, 173987734), (240, 86993867), (4721, 4422480), (9442, 2211240), (14163, 1474160), (18427, 1133040), (18884, 1105620), (23605, 884496), (28326, 737080), (36854, 566520), (37768, 552810), (47210, 442248), (55281, 377680), (56652, 368540), (70815, 294832), (73708, 283260), (75536, 276405), (92135, 226608), (94420, 221124), (110562, 188840), (113304, 184270), (141630, 147416)]