278036220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5471}}^1$

素因数の和:5512

約数の個数: 144

約数和(自身を含む): 978130944

約数和(自身を除く): 700094724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 5082, 5471, 7260, 8470, 10164, 10942, 12705, 16413, 16940, 21884, 25410, 27355, 32826, 38297, 50820, 54710, 60181, 65652, 76594, 82065, 109420, 114891, 120362, 153188, 164130, 180543, 191485, 229782, 240724, 300905, 328260, 361086, 382970, 421267, 459564, 574455, 601810, 661991, 722172, 765940, 842534, 902715, 1148910, 1203620, 1263801, 1323982, 1685068, 1805430, 1985973, 2106335, 2297820, 2527602, 2647964, 3309955, 3610860, 3971946, 4212670, 4633937, 5055204, 6319005, 6619910, 7943892, 8425340, 9267874, 9929865, 12638010, 13239820, 13901811, 18535748, 19859730, 23169685, 25276020, 27803622, 39719460, 46339370, 55607244, 69509055, 92678740, 139018110, 278036220]

約数ペア:

[(1, 278036220), (2, 139018110), (3, 92678740), (4, 69509055), (5, 55607244), (6, 46339370), (7, 39719460), (10, 27803622), (11, 25276020), (12, 23169685), (14, 19859730), (15, 18535748), (20, 13901811), (21, 13239820), (22, 12638010), (28, 9929865), (30, 9267874), (33, 8425340), (35, 7943892), (42, 6619910), (44, 6319005), (55, 5055204), (60, 4633937), (66, 4212670), (70, 3971946), (77, 3610860), (84, 3309955), (105, 2647964), (110, 2527602), (121, 2297820), (132, 2106335), (140, 1985973), (154, 1805430), (165, 1685068), (210, 1323982), (220, 1263801), (231, 1203620), (242, 1148910), (308, 902715), (330, 842534), (363, 765940), (385, 722172), (420, 661991), (462, 601810), (484, 574455), (605, 459564), (660, 421267), (726, 382970), (770, 361086), (847, 328260), (924, 300905), (1155, 240724), (1210, 229782), (1452, 191485), (1540, 180543), (1694, 164130), (1815, 153188), (2310, 120362), (2420, 114891), (2541, 109420), (3388, 82065), (3630, 76594), (4235, 65652), (4620, 60181), (5082, 54710), (5471, 50820), (7260, 38297), (8470, 32826), (10164, 27355), (10942, 25410), (12705, 21884), (16413, 16940)]