78654940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 212244480

約数和(自身を除く): 133589540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 1879, 2093, 2990, 3220, 3758, 4186, 5980, 7516, 8372, 9395, 10465, 13153, 18790, 20930, 24427, 26306, 37580, 41860, 43217, 48854, 52612, 65765, 86434, 97708, 122135, 131530, 170989, 172868, 216085, 244270, 263060, 302519, 341978, 432170, 488540, 561821, 605038, 683956, 854945, 864340, 1123642, 1210076, 1512595, 1709890, 2247284, 2809105, 3025190, 3419780, 3932747, 5618210, 6050380, 7865494, 11236420, 15730988, 19663735, 39327470, 78654940]

約数ペア:

[(1, 78654940), (2, 39327470), (4, 19663735), (5, 15730988), (7, 11236420), (10, 7865494), (13, 6050380), (14, 5618210), (20, 3932747), (23, 3419780), (26, 3025190), (28, 2809105), (35, 2247284), (46, 1709890), (52, 1512595), (65, 1210076), (70, 1123642), (91, 864340), (92, 854945), (115, 683956), (130, 605038), (140, 561821), (161, 488540), (182, 432170), (230, 341978), (260, 302519), (299, 263060), (322, 244270), (364, 216085), (455, 172868), (460, 170989), (598, 131530), (644, 122135), (805, 97708), (910, 86434), (1196, 65765), (1495, 52612), (1610, 48854), (1820, 43217), (1879, 41860), (2093, 37580), (2990, 26306), (3220, 24427), (3758, 20930), (4186, 18790), (5980, 13153), (7516, 10465), (8372, 9395)]