81052290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 251596800

約数和(自身を除く): 170544510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 31, 33, 38, 45, 55, 57, 62, 66, 90, 93, 95, 99, 110, 114, 139, 155, 165, 171, 186, 190, 198, 209, 278, 279, 285, 310, 330, 341, 342, 417, 418, 465, 495, 558, 570, 589, 627, 682, 695, 834, 855, 930, 990, 1023, 1045, 1178, 1251, 1254, 1390, 1395, 1529, 1705, 1710, 1767, 1881, 2046, 2085, 2090, 2502, 2641, 2790, 2945, 3058, 3069, 3135, 3410, 3534, 3762, 4170, 4309, 4587, 5115, 5282, 5301, 5890, 6138, 6255, 6270, 6479, 7645, 7923, 8618, 8835, 9174, 9405, 10230, 10602, 12510, 12927, 12958, 13205, 13761, 15290, 15345, 15846, 17670, 18810, 19437, 21545, 22935, 23769, 25854, 26410, 26505, 27522, 29051, 30690, 32395, 38781, 38874, 39615, 43090, 45870, 47399, 47538, 53010, 58102, 58311, 64635, 64790, 68805, 77562, 79230, 81871, 87153, 94798, 97185, 116622, 118845, 129270, 137610, 142197, 145255, 163742, 174306, 193905, 194370, 236995, 237690, 245613, 261459, 284394, 290510, 291555, 387810, 409355, 426591, 435765, 473990, 491226, 522918, 583110, 710985, 736839, 818710, 853182, 871530, 900581, 1228065, 1307295, 1421970, 1473678, 1801162, 2132955, 2456130, 2614590, 2701743, 3684195, 4265910, 4502905, 5403486, 7368390, 8105229, 9005810, 13508715, 16210458, 27017430, 40526145, 81052290]

約数ペア:

[(1, 81052290), (2, 40526145), (3, 27017430), (5, 16210458), (6, 13508715), (9, 9005810), (10, 8105229), (11, 7368390), (15, 5403486), (18, 4502905), (19, 4265910), (22, 3684195), (30, 2701743), (31, 2614590), (33, 2456130), (38, 2132955), (45, 1801162), (55, 1473678), (57, 1421970), (62, 1307295), (66, 1228065), (90, 900581), (93, 871530), (95, 853182), (99, 818710), (110, 736839), (114, 710985), (139, 583110), (155, 522918), (165, 491226), (171, 473990), (186, 435765), (190, 426591), (198, 409355), (209, 387810), (278, 291555), (279, 290510), (285, 284394), (310, 261459), (330, 245613), (341, 237690), (342, 236995), (417, 194370), (418, 193905), (465, 174306), (495, 163742), (558, 145255), (570, 142197), (589, 137610), (627, 129270), (682, 118845), (695, 116622), (834, 97185), (855, 94798), (930, 87153), (990, 81871), (1023, 79230), (1045, 77562), (1178, 68805), (1251, 64790), (1254, 64635), (1390, 58311), (1395, 58102), (1529, 53010), (1705, 47538), (1710, 47399), (1767, 45870), (1881, 43090), (2046, 39615), (2085, 38874), (2090, 38781), (2502, 32395), (2641, 30690), (2790, 29051), (2945, 27522), (3058, 26505), (3069, 26410), (3135, 25854), (3410, 23769), (3534, 22935), (3762, 21545), (4170, 19437), (4309, 18810), (4587, 17670), (5115, 15846), (5282, 15345), (5301, 15290), (5890, 13761), (6138, 13205), (6255, 12958), (6270, 12927), (6479, 12510), (7645, 10602), (7923, 10230), (8618, 9405), (8835, 9174)]