81492390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 144

約数和(自身を含む): 261211392

約数和(自身を除く): 179719002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 255, 294, 306, 315, 357, 441, 490, 510, 595, 630, 714, 735, 765, 833, 882, 1071, 1087, 1190, 1470, 1530, 1666, 1785, 2142, 2174, 2205, 2499, 3261, 3570, 4165, 4410, 4998, 5355, 5435, 6522, 7497, 7609, 8330, 9783, 10710, 10870, 12495, 14994, 15218, 16305, 18479, 19566, 22827, 24990, 32610, 36958, 37485, 38045, 45654, 48915, 53263, 55437, 68481, 74970, 76090, 92395, 97830, 106526, 110874, 114135, 129353, 136962, 159789, 166311, 184790, 228270, 258706, 266315, 277185, 319578, 332622, 342405, 388059, 479367, 532630, 554370, 646765, 684810, 776118, 798945, 831555, 905471, 958734, 1164177, 1293530, 1597890, 1663110, 1810942, 1940295, 2328354, 2396835, 2716413, 3880590, 4527355, 4793670, 5432826, 5820885, 8149239, 9054710, 11641770, 13582065, 16298478, 27164130, 40746195, 81492390]

約数ペア:

[(1, 81492390), (2, 40746195), (3, 27164130), (5, 16298478), (6, 13582065), (7, 11641770), (9, 9054710), (10, 8149239), (14, 5820885), (15, 5432826), (17, 4793670), (18, 4527355), (21, 3880590), (30, 2716413), (34, 2396835), (35, 2328354), (42, 1940295), (45, 1810942), (49, 1663110), (51, 1597890), (63, 1293530), (70, 1164177), (85, 958734), (90, 905471), (98, 831555), (102, 798945), (105, 776118), (119, 684810), (126, 646765), (147, 554370), (153, 532630), (170, 479367), (210, 388059), (238, 342405), (245, 332622), (255, 319578), (294, 277185), (306, 266315), (315, 258706), (357, 228270), (441, 184790), (490, 166311), (510, 159789), (595, 136962), (630, 129353), (714, 114135), (735, 110874), (765, 106526), (833, 97830), (882, 92395), (1071, 76090), (1087, 74970), (1190, 68481), (1470, 55437), (1530, 53263), (1666, 48915), (1785, 45654), (2142, 38045), (2174, 37485), (2205, 36958), (2499, 32610), (3261, 24990), (3570, 22827), (4165, 19566), (4410, 18479), (4998, 16305), (5355, 15218), (5435, 14994), (6522, 12495), (7497, 10870), (7609, 10710), (8330, 9783)]