81291210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2748

約数の個数: 128

約数和(自身を含む): 262047744

約数和(自身を除く): 180756534

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 715, 770, 858, 910, 1001, 1155, 1365, 1430, 2002, 2145, 2310, 2707, 2730, 3003, 4290, 5005, 5414, 6006, 8121, 10010, 13535, 15015, 16242, 18949, 27070, 29777, 30030, 35191, 37898, 40605, 56847, 59554, 70382, 81210, 89331, 94745, 105573, 113694, 148885, 175955, 178662, 189490, 208439, 211146, 246337, 284235, 297770, 351910, 387101, 416878, 446655, 492674, 527865, 568470, 625317, 739011, 774202, 893310, 1042195, 1055730, 1161303, 1231685, 1250634, 1478022, 1935505, 2084390, 2322606, 2463370, 2709707, 3126585, 3695055, 3871010, 5419414, 5806515, 6253170, 7390110, 8129121, 11613030, 13548535, 16258242, 27097070, 40645605, 81291210]

約数ペア:

[(1, 81291210), (2, 40645605), (3, 27097070), (5, 16258242), (6, 13548535), (7, 11613030), (10, 8129121), (11, 7390110), (13, 6253170), (14, 5806515), (15, 5419414), (21, 3871010), (22, 3695055), (26, 3126585), (30, 2709707), (33, 2463370), (35, 2322606), (39, 2084390), (42, 1935505), (55, 1478022), (65, 1250634), (66, 1231685), (70, 1161303), (77, 1055730), (78, 1042195), (91, 893310), (105, 774202), (110, 739011), (130, 625317), (143, 568470), (154, 527865), (165, 492674), (182, 446655), (195, 416878), (210, 387101), (231, 351910), (273, 297770), (286, 284235), (330, 246337), (385, 211146), (390, 208439), (429, 189490), (455, 178662), (462, 175955), (546, 148885), (715, 113694), (770, 105573), (858, 94745), (910, 89331), (1001, 81210), (1155, 70382), (1365, 59554), (1430, 56847), (2002, 40605), (2145, 37898), (2310, 35191), (2707, 30030), (2730, 29777), (3003, 27070), (4290, 18949), (5005, 16242), (5414, 15015), (6006, 13535), (8121, 10010)]