155580920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1019}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 383356800

約数和(自身を除く): 227775880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 347, 440, 694, 1019, 1388, 1735, 2038, 2776, 3470, 3817, 4076, 5095, 6940, 7634, 8152, 10190, 11209, 13880, 15268, 19085, 20380, 22418, 30536, 38170, 40760, 44836, 56045, 76340, 89672, 112090, 152680, 224180, 353593, 448360, 707186, 1414372, 1767965, 2828744, 3535930, 3889523, 7071860, 7779046, 14143720, 15558092, 19447615, 31116184, 38895230, 77790460, 155580920]

約数ペア:

[(1, 155580920), (2, 77790460), (4, 38895230), (5, 31116184), (8, 19447615), (10, 15558092), (11, 14143720), (20, 7779046), (22, 7071860), (40, 3889523), (44, 3535930), (55, 2828744), (88, 1767965), (110, 1414372), (220, 707186), (347, 448360), (440, 353593), (694, 224180), (1019, 152680), (1388, 112090), (1735, 89672), (2038, 76340), (2776, 56045), (3470, 44836), (3817, 40760), (4076, 38170), (5095, 30536), (6940, 22418), (7634, 20380), (8152, 19085), (10190, 15268), (11209, 13880)]