81591510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 280385280

約数和(自身を除く): 198793770

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 19, 21, 22, 26, 30, 33, 35, 38, 39, 42, 55, 57, 65, 66, 70, 77, 78, 91, 95, 105, 110, 114, 121, 130, 133, 143, 154, 165, 169, 182, 190, 195, 209, 210, 231, 242, 247, 266, 273, 285, 286, 330, 338, 363, 385, 390, 399, 418, 429, 455, 462, 494, 507, 546, 570, 605, 627, 665, 715, 726, 741, 770, 798, 845, 847, 858, 910, 1001, 1014, 1045, 1155, 1183, 1210, 1235, 1254, 1330, 1365, 1430, 1463, 1482, 1573, 1690, 1694, 1729, 1815, 1859, 1995, 2002, 2090, 2145, 2299, 2310, 2366, 2470, 2535, 2541, 2717, 2730, 2926, 3003, 3135, 3146, 3211, 3458, 3549, 3630, 3705, 3718, 3990, 4235, 4290, 4389, 4598, 4719, 5005, 5070, 5082, 5187, 5434, 5577, 5915, 6006, 6270, 6422, 6897, 7098, 7315, 7410, 7865, 8151, 8470, 8645, 8778, 9295, 9438, 9633, 10010, 10374, 11011, 11154, 11495, 11830, 12705, 13013, 13585, 13794, 14630, 15015, 15730, 16055, 16093, 16302, 17290, 17745, 18590, 19019, 19266, 20449, 21945, 22022, 22477, 22990, 23595, 25410, 25935, 26026, 27170, 27885, 29887, 30030, 32110, 32186, 33033, 34485, 35321, 35490, 38038, 39039, 40755, 40898, 43890, 44954, 47190, 48165, 48279, 51870, 55055, 55770, 57057, 59774, 61347, 65065, 66066, 67431, 68970, 70642, 78078, 80465, 81510, 89661, 95095, 96330, 96558, 102245, 105963, 110110, 112385, 114114, 122694, 130130, 134862, 143143, 149435, 160930, 165165, 176605, 179322, 190190, 195195, 204490, 209209, 211926, 224770, 241395, 247247, 285285, 286286, 298870, 306735, 330330, 337155, 353210, 388531, 390390, 418418, 429429, 448305, 482790, 494494, 529815, 570570, 613470, 627627, 674310, 715715, 741741, 777062, 858858, 896610, 1046045, 1059630, 1165593, 1236235, 1255254, 1431430, 1483482, 1942655, 2092090, 2147145, 2331186, 2472470, 2719717, 3138135, 3708705, 3885310, 4294290, 5439434, 5827965, 6276270, 7417410, 8159151, 11655930, 13598585, 16318302, 27197170, 40795755, 81591510]

約数ペア:

[(1, 81591510), (2, 40795755), (3, 27197170), (5, 16318302), (6, 13598585), (7, 11655930), (10, 8159151), (11, 7417410), (13, 6276270), (14, 5827965), (15, 5439434), (19, 4294290), (21, 3885310), (22, 3708705), (26, 3138135), (30, 2719717), (33, 2472470), (35, 2331186), (38, 2147145), (39, 2092090), (42, 1942655), (55, 1483482), (57, 1431430), (65, 1255254), (66, 1236235), (70, 1165593), (77, 1059630), (78, 1046045), (91, 896610), (95, 858858), (105, 777062), (110, 741741), (114, 715715), (121, 674310), (130, 627627), (133, 613470), (143, 570570), (154, 529815), (165, 494494), (169, 482790), (182, 448305), (190, 429429), (195, 418418), (209, 390390), (210, 388531), (231, 353210), (242, 337155), (247, 330330), (266, 306735), (273, 298870), (285, 286286), (286, 285285), (330, 247247), (338, 241395), (363, 224770), (385, 211926), (390, 209209), (399, 204490), (418, 195195), (429, 190190), (455, 179322), (462, 176605), (494, 165165), (507, 160930), (546, 149435), (570, 143143), (605, 134862), (627, 130130), (665, 122694), (715, 114114), (726, 112385), (741, 110110), (770, 105963), (798, 102245), (845, 96558), (847, 96330), (858, 95095), (910, 89661), (1001, 81510), (1014, 80465), (1045, 78078), (1155, 70642), (1183, 68970), (1210, 67431), (1235, 66066), (1254, 65065), (1330, 61347), (1365, 59774), (1430, 57057), (1463, 55770), (1482, 55055), (1573, 51870), (1690, 48279), (1694, 48165), (1729, 47190), (1815, 44954), (1859, 43890), (1995, 40898), (2002, 40755), (2090, 39039), (2145, 38038), (2299, 35490), (2310, 35321), (2366, 34485), (2470, 33033), (2535, 32186), (2541, 32110), (2717, 30030), (2730, 29887), (2926, 27885), (3003, 27170), (3135, 26026), (3146, 25935), (3211, 25410), (3458, 23595), (3549, 22990), (3630, 22477), (3705, 22022), (3718, 21945), (3990, 20449), (4235, 19266), (4290, 19019), (4389, 18590), (4598, 17745), (4719, 17290), (5005, 16302), (5070, 16093), (5082, 16055), (5187, 15730), (5434, 15015), (5577, 14630), (5915, 13794), (6006, 13585), (6270, 13013), (6422, 12705), (6897, 11830), (7098, 11495), (7315, 11154), (7410, 11011), (7865, 10374), (8151, 10010), (8470, 9633), (8645, 9438), (8778, 9295)]