140181678

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 160

約数和(自身を含む): 398591424

約数和(自身を除く): 258409746

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 81, 91, 111, 117, 126, 162, 182, 189, 222, 234, 257, 259, 273, 333, 351, 378, 481, 514, 518, 546, 567, 666, 702, 771, 777, 819, 962, 999, 1053, 1134, 1443, 1542, 1554, 1638, 1799, 1998, 2106, 2313, 2331, 2457, 2886, 2997, 3341, 3367, 3598, 4329, 4626, 4662, 4914, 5397, 5994, 6682, 6734, 6939, 6993, 7371, 8658, 9509, 10023, 10101, 10794, 12987, 13878, 13986, 14742, 16191, 19018, 20046, 20202, 20817, 20979, 23387, 25974, 28527, 30069, 30303, 32382, 38961, 41634, 41958, 46774, 48573, 57054, 60138, 60606, 66563, 70161, 77922, 85581, 90207, 90909, 97146, 123617, 133126, 140322, 145719, 171162, 180414, 181818, 199689, 210483, 247234, 256743, 270621, 272727, 291438, 370851, 399378, 420966, 513486, 541242, 545454, 599067, 631449, 741702, 770229, 865319, 1112553, 1198134, 1262898, 1540458, 1730638, 1797201, 1894347, 2225106, 2595957, 3337659, 3594402, 3788694, 5191914, 5391603, 6675318, 7787871, 10012977, 10783206, 15575742, 20025954, 23363613, 46727226, 70090839, 140181678]

約数ペア:

[(1, 140181678), (2, 70090839), (3, 46727226), (6, 23363613), (7, 20025954), (9, 15575742), (13, 10783206), (14, 10012977), (18, 7787871), (21, 6675318), (26, 5391603), (27, 5191914), (37, 3788694), (39, 3594402), (42, 3337659), (54, 2595957), (63, 2225106), (74, 1894347), (78, 1797201), (81, 1730638), (91, 1540458), (111, 1262898), (117, 1198134), (126, 1112553), (162, 865319), (182, 770229), (189, 741702), (222, 631449), (234, 599067), (257, 545454), (259, 541242), (273, 513486), (333, 420966), (351, 399378), (378, 370851), (481, 291438), (514, 272727), (518, 270621), (546, 256743), (567, 247234), (666, 210483), (702, 199689), (771, 181818), (777, 180414), (819, 171162), (962, 145719), (999, 140322), (1053, 133126), (1134, 123617), (1443, 97146), (1542, 90909), (1554, 90207), (1638, 85581), (1799, 77922), (1998, 70161), (2106, 66563), (2313, 60606), (2331, 60138), (2457, 57054), (2886, 48573), (2997, 46774), (3341, 41958), (3367, 41634), (3598, 38961), (4329, 32382), (4626, 30303), (4662, 30069), (4914, 28527), (5397, 25974), (5994, 23387), (6682, 20979), (6734, 20817), (6939, 20202), (6993, 20046), (7371, 19018), (8658, 16191), (9509, 14742), (10023, 13986), (10101, 13878), (10794, 12987)]