280308912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19531}}^1$

素因数の和:19578

約数の個数: 80

約数和(自身を含む): 813781248

約数和(自身を除く): 533472336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 19531, 39062, 58593, 78124, 117186, 156248, 234372, 253903, 312496, 449213, 468744, 507806, 761709, 898426, 937488, 1015612, 1347639, 1523418, 1796852, 2031224, 2695278, 3046836, 3593704, 4062448, 5390556, 5839769, 6093672, 7187408, 10781112, 11679538, 12187344, 17519307, 21562224, 23359076, 35038614, 46718152, 70077228, 93436304, 140154456, 280308912]

約数ペア:

[(1, 280308912), (2, 140154456), (3, 93436304), (4, 70077228), (6, 46718152), (8, 35038614), (12, 23359076), (13, 21562224), (16, 17519307), (23, 12187344), (24, 11679538), (26, 10781112), (39, 7187408), (46, 6093672), (48, 5839769), (52, 5390556), (69, 4062448), (78, 3593704), (92, 3046836), (104, 2695278), (138, 2031224), (156, 1796852), (184, 1523418), (208, 1347639), (276, 1015612), (299, 937488), (312, 898426), (368, 761709), (552, 507806), (598, 468744), (624, 449213), (897, 312496), (1104, 253903), (1196, 234372), (1794, 156248), (2392, 117186), (3588, 78124), (4784, 58593), (7176, 39062), (14352, 19531)]