128995960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4588

約数の個数: 64

約数和(自身を含む): 312698880

約数和(自身を除く): 183702920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 4523, 5704, 7130, 9046, 14260, 18092, 22615, 28520, 36184, 45230, 90460, 104029, 140213, 180920, 208058, 280426, 416116, 520145, 560852, 701065, 832232, 1040290, 1121704, 1402130, 2080580, 2804260, 3224899, 4161160, 5608520, 6449798, 12899596, 16124495, 25799192, 32248990, 64497980, 128995960]

約数ペア:

[(1, 128995960), (2, 64497980), (4, 32248990), (5, 25799192), (8, 16124495), (10, 12899596), (20, 6449798), (23, 5608520), (31, 4161160), (40, 3224899), (46, 2804260), (62, 2080580), (92, 1402130), (115, 1121704), (124, 1040290), (155, 832232), (184, 701065), (230, 560852), (248, 520145), (310, 416116), (460, 280426), (620, 208058), (713, 180920), (920, 140213), (1240, 104029), (1426, 90460), (2852, 45230), (3565, 36184), (4523, 28520), (5704, 22615), (7130, 18092), (9046, 14260)]