72945730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1819

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 86721470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 715, 754, 1430, 1595, 1759, 1885, 3190, 3518, 3770, 4147, 8294, 8795, 17590, 19349, 20735, 22867, 38698, 41470, 45734, 51011, 96745, 102022, 114335, 193490, 228670, 251537, 255055, 503074, 510110, 561121, 663143, 1122242, 1257685, 1326286, 2515370, 2805605, 3315715, 5611210, 6631430, 7294573, 14589146, 36472865, 72945730]

約数ペア:

[(1, 72945730), (2, 36472865), (5, 14589146), (10, 7294573), (11, 6631430), (13, 5611210), (22, 3315715), (26, 2805605), (29, 2515370), (55, 1326286), (58, 1257685), (65, 1122242), (110, 663143), (130, 561121), (143, 510110), (145, 503074), (286, 255055), (290, 251537), (319, 228670), (377, 193490), (638, 114335), (715, 102022), (754, 96745), (1430, 51011), (1595, 45734), (1759, 41470), (1885, 38698), (3190, 22867), (3518, 20735), (3770, 19349), (4147, 17590), (8294, 8795)]