258267520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{57649}}^1$

素因数の和:57675

約数の個数: 64

約数和(自身を含む): 705636000

約数和(自身を除く): 447368480

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, 57649, 115298, 230596, 288245, 403543, 461192, 576490, 807086, 922384, 1152980, 1614172, 1844768, 2017715, 2305960, 3228344, 3689536, 4035430, 4611920, 6456688, 7379072, 8070860, 9223840, 12913376, 16141720, 18447680, 25826752, 32283440, 36895360, 51653504, 64566880, 129133760, 258267520]

約数ペア:

[(1, 258267520), (2, 129133760), (4, 64566880), (5, 51653504), (7, 36895360), (8, 32283440), (10, 25826752), (14, 18447680), (16, 16141720), (20, 12913376), (28, 9223840), (32, 8070860), (35, 7379072), (40, 6456688), (56, 4611920), (64, 4035430), (70, 3689536), (80, 3228344), (112, 2305960), (128, 2017715), (140, 1844768), (160, 1614172), (224, 1152980), (280, 922384), (320, 807086), (448, 576490), (560, 461192), (640, 403543), (896, 288245), (1120, 230596), (2240, 115298), (4480, 57649)]