8430080

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 20991960

約数和(自身を除く): 12561880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 89, 128, 148, 160, 178, 185, 256, 296, 320, 356, 370, 445, 512, 592, 640, 712, 740, 890, 1184, 1280, 1424, 1480, 1780, 2368, 2560, 2848, 2960, 3293, 3560, 4736, 5696, 5920, 6586, 7120, 9472, 11392, 11840, 13172, 14240, 16465, 18944, 22784, 23680, 26344, 28480, 32930, 45568, 47360, 52688, 56960, 65860, 94720, 105376, 113920, 131720, 210752, 227840, 263440, 421504, 526880, 843008, 1053760, 1686016, 2107520, 4215040, 8430080]

約数ペア:

[(1, 8430080), (2, 4215040), (4, 2107520), (5, 1686016), (8, 1053760), (10, 843008), (16, 526880), (20, 421504), (32, 263440), (37, 227840), (40, 210752), (64, 131720), (74, 113920), (80, 105376), (89, 94720), (128, 65860), (148, 56960), (160, 52688), (178, 47360), (185, 45568), (256, 32930), (296, 28480), (320, 26344), (356, 23680), (370, 22784), (445, 18944), (512, 16465), (592, 14240), (640, 13172), (712, 11840), (740, 11392), (890, 9472), (1184, 7120), (1280, 6586), (1424, 5920), (1480, 5696), (1780, 4736), (2368, 3560), (2560, 3293), (2848, 2960)]