1800320

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 4498200

約数和(自身を除く): 2697880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 97, 116, 128, 145, 160, 194, 232, 290, 320, 388, 464, 485, 580, 640, 776, 928, 970, 1160, 1552, 1856, 1940, 2320, 2813, 3104, 3712, 3880, 4640, 5626, 6208, 7760, 9280, 11252, 12416, 14065, 15520, 18560, 22504, 28130, 31040, 45008, 56260, 62080, 90016, 112520, 180032, 225040, 360064, 450080, 900160, 1800320]

約数ペア:

[(1, 1800320), (2, 900160), (4, 450080), (5, 360064), (8, 225040), (10, 180032), (16, 112520), (20, 90016), (29, 62080), (32, 56260), (40, 45008), (58, 31040), (64, 28130), (80, 22504), (97, 18560), (116, 15520), (128, 14065), (145, 12416), (160, 11252), (194, 9280), (232, 7760), (290, 6208), (320, 5626), (388, 4640), (464, 3880), (485, 3712), (580, 3104), (640, 2813), (776, 2320), (928, 1940), (970, 1856), (1160, 1552)]