7219960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 18079200

約数和(自身を除く): 10859240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 269, 305, 440, 488, 538, 610, 671, 1076, 1220, 1342, 1345, 2152, 2440, 2684, 2690, 2959, 3355, 5368, 5380, 5918, 6710, 10760, 11836, 13420, 14795, 16409, 23672, 26840, 29590, 32818, 59180, 65636, 82045, 118360, 131272, 164090, 180499, 328180, 360998, 656360, 721996, 902495, 1443992, 1804990, 3609980, 7219960]

約数ペア:

[(1, 7219960), (2, 3609980), (4, 1804990), (5, 1443992), (8, 902495), (10, 721996), (11, 656360), (20, 360998), (22, 328180), (40, 180499), (44, 164090), (55, 131272), (61, 118360), (88, 82045), (110, 65636), (122, 59180), (220, 32818), (244, 29590), (269, 26840), (305, 23672), (440, 16409), (488, 14795), (538, 13420), (610, 11836), (671, 10760), (1076, 6710), (1220, 5918), (1342, 5380), (1345, 5368), (2152, 3355), (2440, 2959), (2684, 2690)]