78519280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4574

約数の個数: 80

約数和(自身を含む): 215414784

約数和(自身を除く): 136895504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4523, 8680, 9046, 17360, 18092, 22615, 31661, 36184, 45230, 63322, 72368, 90460, 126644, 140213, 158305, 180920, 253288, 280426, 316610, 361840, 506576, 560852, 633220, 701065, 981491, 1121704, 1266440, 1402130, 1962982, 2243408, 2532880, 2804260, 3925964, 4907455, 5608520, 7851928, 9814910, 11217040, 15703856, 19629820, 39259640, 78519280]

約数ペア:

[(1, 78519280), (2, 39259640), (4, 19629820), (5, 15703856), (7, 11217040), (8, 9814910), (10, 7851928), (14, 5608520), (16, 4907455), (20, 3925964), (28, 2804260), (31, 2532880), (35, 2243408), (40, 1962982), (56, 1402130), (62, 1266440), (70, 1121704), (80, 981491), (112, 701065), (124, 633220), (140, 560852), (155, 506576), (217, 361840), (248, 316610), (280, 280426), (310, 253288), (434, 180920), (496, 158305), (560, 140213), (620, 126644), (868, 90460), (1085, 72368), (1240, 63322), (1736, 45230), (2170, 36184), (2480, 31661), (3472, 22615), (4340, 18092), (4523, 17360), (8680, 9046)]