161378910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 552726720

約数和(自身を除く): 391347810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 29, 30, 33, 35, 42, 45, 55, 58, 63, 66, 70, 73, 77, 87, 90, 99, 105, 110, 121, 126, 145, 146, 154, 165, 174, 198, 203, 210, 219, 231, 242, 261, 290, 315, 319, 330, 363, 365, 385, 406, 435, 438, 462, 495, 511, 522, 605, 609, 630, 638, 657, 693, 726, 730, 770, 803, 847, 870, 957, 990, 1015, 1022, 1089, 1095, 1155, 1210, 1218, 1305, 1314, 1386, 1533, 1595, 1606, 1694, 1815, 1827, 1914, 2030, 2117, 2178, 2190, 2233, 2310, 2409, 2541, 2555, 2610, 2871, 3045, 3066, 3190, 3285, 3465, 3509, 3630, 3654, 4015, 4234, 4235, 4466, 4599, 4785, 4818, 5082, 5110, 5445, 5621, 5742, 6090, 6351, 6570, 6699, 6930, 7018, 7227, 7623, 7665, 8030, 8470, 8833, 9135, 9198, 9570, 10527, 10585, 10890, 11165, 11242, 12045, 12702, 12705, 13398, 14355, 14454, 14819, 15246, 15330, 16863, 17545, 17666, 18270, 19053, 20097, 21054, 21170, 22330, 22995, 23287, 24090, 24563, 25410, 26499, 28105, 28710, 29638, 31581, 31755, 33495, 33726, 35090, 36135, 38106, 38115, 40194, 44165, 44457, 45990, 46574, 49126, 50589, 52635, 52998, 56210, 61831, 63162, 63510, 66990, 69861, 72270, 73689, 74095, 76230, 79497, 84315, 88330, 88914, 95265, 100485, 101178, 105270, 116435, 122815, 123662, 132495, 133371, 139722, 147378, 148190, 157905, 158994, 163009, 168630, 185493, 190530, 200970, 209583, 221067, 222285, 232870, 245630, 252945, 256157, 264990, 266742, 309155, 315810, 326018, 349305, 368445, 370986, 397485, 419166, 442134, 444570, 489027, 505890, 512314, 556479, 618310, 666855, 698610, 736890, 768471, 794970, 815045, 927465, 978054, 1047915, 1105335, 1112958, 1280785, 1333710, 1467081, 1536942, 1630090, 1793099, 1854930, 2095830, 2210670, 2305413, 2445135, 2561570, 2782395, 2934162, 3586198, 3842355, 4610826, 4890270, 5379297, 5564790, 7335405, 7684710, 8965495, 10758594, 11527065, 14670810, 16137891, 17930990, 23054130, 26896485, 32275782, 53792970, 80689455, 161378910]

約数ペア:

[(1, 161378910), (2, 80689455), (3, 53792970), (5, 32275782), (6, 26896485), (7, 23054130), (9, 17930990), (10, 16137891), (11, 14670810), (14, 11527065), (15, 10758594), (18, 8965495), (21, 7684710), (22, 7335405), (29, 5564790), (30, 5379297), (33, 4890270), (35, 4610826), (42, 3842355), (45, 3586198), (55, 2934162), (58, 2782395), (63, 2561570), (66, 2445135), (70, 2305413), (73, 2210670), (77, 2095830), (87, 1854930), (90, 1793099), (99, 1630090), (105, 1536942), (110, 1467081), (121, 1333710), (126, 1280785), (145, 1112958), (146, 1105335), (154, 1047915), (165, 978054), (174, 927465), (198, 815045), (203, 794970), (210, 768471), (219, 736890), (231, 698610), (242, 666855), (261, 618310), (290, 556479), (315, 512314), (319, 505890), (330, 489027), (363, 444570), (365, 442134), (385, 419166), (406, 397485), (435, 370986), (438, 368445), (462, 349305), (495, 326018), (511, 315810), (522, 309155), (605, 266742), (609, 264990), (630, 256157), (638, 252945), (657, 245630), (693, 232870), (726, 222285), (730, 221067), (770, 209583), (803, 200970), (847, 190530), (870, 185493), (957, 168630), (990, 163009), (1015, 158994), (1022, 157905), (1089, 148190), (1095, 147378), (1155, 139722), (1210, 133371), (1218, 132495), (1305, 123662), (1314, 122815), (1386, 116435), (1533, 105270), (1595, 101178), (1606, 100485), (1694, 95265), (1815, 88914), (1827, 88330), (1914, 84315), (2030, 79497), (2117, 76230), (2178, 74095), (2190, 73689), (2233, 72270), (2310, 69861), (2409, 66990), (2541, 63510), (2555, 63162), (2610, 61831), (2871, 56210), (3045, 52998), (3066, 52635), (3190, 50589), (3285, 49126), (3465, 46574), (3509, 45990), (3630, 44457), (3654, 44165), (4015, 40194), (4234, 38115), (4235, 38106), (4466, 36135), (4599, 35090), (4785, 33726), (4818, 33495), (5082, 31755), (5110, 31581), (5445, 29638), (5621, 28710), (5742, 28105), (6090, 26499), (6351, 25410), (6570, 24563), (6699, 24090), (6930, 23287), (7018, 22995), (7227, 22330), (7623, 21170), (7665, 21054), (8030, 20097), (8470, 19053), (8833, 18270), (9135, 17666), (9198, 17545), (9570, 16863), (10527, 15330), (10585, 15246), (10890, 14819), (11165, 14454), (11242, 14355), (12045, 13398), (12702, 12705)]