128141440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{28603}}^1$

素因数の和:28629

約数の個数: 64

約数和(自身を含む): 350112960

約数和(自身を除く): 221971520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 28603, 57206, 114412, 143015, 200221, 228824, 286030, 400442, 457648, 572060, 800884, 915296, 1001105, 1144120, 1601768, 1830592, 2002210, 2288240, 3203536, 3661184, 4004420, 4576480, 6407072, 8008840, 9152960, 12814144, 16017680, 18305920, 25628288, 32035360, 64070720, 128141440]

約数ペア:

[(1, 128141440), (2, 64070720), (4, 32035360), (5, 25628288), (7, 18305920), (8, 16017680), (10, 12814144), (14, 9152960), (16, 8008840), (20, 6407072), (28, 4576480), (32, 4004420), (35, 3661184), (40, 3203536), (56, 2288240), (64, 2002210), (70, 1830592), (80, 1601768), (112, 1144120), (128, 1001105), (140, 915296), (160, 800884), (224, 572060), (280, 457648), (320, 400442), (448, 286030), (560, 228824), (640, 200221), (896, 143015), (1120, 114412), (2240, 57206), (4480, 28603)]