1980930560

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{110543}}^1$

素因数の和:110573

約数の個数: 80

約数和(自身を含む): 5428152576

約数和(自身を除く): 3447222016

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, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 110543, 221086, 442172, 552715, 773801, 884344, 1105430, 1547602, 1768688, 2210860, 3095204, 3537376, 3869005, 4421720, 6190408, 7074752, 7738010, 8843440, 12380816, 14149504, 15476020, 17686880, 24761632, 28299008, 30952040, 35373760, 49523264, 56598016, 61904080, 70747520, 99046528, 123808160, 141495040, 198093056, 247616320, 282990080, 396186112, 495232640, 990465280, 1980930560]

約数ペア:

[(1, 1980930560), (2, 990465280), (4, 495232640), (5, 396186112), (7, 282990080), (8, 247616320), (10, 198093056), (14, 141495040), (16, 123808160), (20, 99046528), (28, 70747520), (32, 61904080), (35, 56598016), (40, 49523264), (56, 35373760), (64, 30952040), (70, 28299008), (80, 24761632), (112, 17686880), (128, 15476020), (140, 14149504), (160, 12380816), (224, 8843440), (256, 7738010), (280, 7074752), (320, 6190408), (448, 4421720), (512, 3869005), (560, 3537376), (640, 3095204), (896, 2210860), (1120, 1768688), (1280, 1547602), (1792, 1105430), (2240, 884344), (2560, 773801), (3584, 552715), (4480, 442172), (8960, 221086), (17920, 110543)]