78639360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20479}}^1$

素因数の和:20503

約数の個数: 72

約数和(自身を含む): 251166720

約数和(自身を除く): 172527360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20479, 40958, 61437, 81916, 102395, 122874, 163832, 204790, 245748, 307185, 327664, 409580, 491496, 614370, 655328, 819160, 982992, 1228740, 1310656, 1638320, 1965984, 2457480, 2621312, 3276640, 3931968, 4914960, 5242624, 6553280, 7863936, 9829920, 13106560, 15727872, 19659840, 26213120, 39319680, 78639360]

約数ペア:

[(1, 78639360), (2, 39319680), (3, 26213120), (4, 19659840), (5, 15727872), (6, 13106560), (8, 9829920), (10, 7863936), (12, 6553280), (15, 5242624), (16, 4914960), (20, 3931968), (24, 3276640), (30, 2621312), (32, 2457480), (40, 1965984), (48, 1638320), (60, 1310656), (64, 1228740), (80, 982992), (96, 819160), (120, 655328), (128, 614370), (160, 491496), (192, 409580), (240, 327664), (256, 307185), (320, 245748), (384, 204790), (480, 163832), (640, 122874), (768, 102395), (960, 81916), (1280, 61437), (1920, 40958), (3840, 20479)]