397607680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16349}}^1$

素因数の和:16389

約数の個数: 72

約数和(自身を含む): 1002582000

約数和(自身を除く): 604974320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 16349, 24320, 32698, 65396, 81745, 130792, 163490, 261584, 310631, 326980, 523168, 621262, 653960, 1046336, 1242524, 1307920, 1553155, 2092672, 2485048, 2615840, 3106310, 4185344, 4970096, 5231680, 6212620, 9940192, 10463360, 12425240, 19880384, 20926720, 24850480, 39760768, 49700960, 79521536, 99401920, 198803840, 397607680]

約数ペア:

[(1, 397607680), (2, 198803840), (4, 99401920), (5, 79521536), (8, 49700960), (10, 39760768), (16, 24850480), (19, 20926720), (20, 19880384), (32, 12425240), (38, 10463360), (40, 9940192), (64, 6212620), (76, 5231680), (80, 4970096), (95, 4185344), (128, 3106310), (152, 2615840), (160, 2485048), (190, 2092672), (256, 1553155), (304, 1307920), (320, 1242524), (380, 1046336), (608, 653960), (640, 621262), (760, 523168), (1216, 326980), (1280, 310631), (1520, 261584), (2432, 163490), (3040, 130792), (4864, 81745), (6080, 65396), (12160, 32698), (16349, 24320)]