19755870720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2572379}}^1$

素因数の和:2572405

約数の個数: 80

約数和(自身を含む): 63157073760

約数和(自身を除く): 43401203040

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 2572379, 5144758, 7717137, 10289516, 12861895, 15434274, 20579032, 25723790, 30868548, 38585685, 41158064, 51447580, 61737096, 77171370, 82316128, 102895160, 123474192, 154342740, 164632256, 205790320, 246948384, 308685480, 329264512, 411580640, 493896768, 617370960, 658529024, 823161280, 987793536, 1234741920, 1317058048, 1646322560, 1975587072, 2469483840, 3292645120, 3951174144, 4938967680, 6585290240, 9877935360, 19755870720]

約数ペア:

[(1, 19755870720), (2, 9877935360), (3, 6585290240), (4, 4938967680), (5, 3951174144), (6, 3292645120), (8, 2469483840), (10, 1975587072), (12, 1646322560), (15, 1317058048), (16, 1234741920), (20, 987793536), (24, 823161280), (30, 658529024), (32, 617370960), (40, 493896768), (48, 411580640), (60, 329264512), (64, 308685480), (80, 246948384), (96, 205790320), (120, 164632256), (128, 154342740), (160, 123474192), (192, 102895160), (240, 82316128), (256, 77171370), (320, 61737096), (384, 51447580), (480, 41158064), (512, 38585685), (640, 30868548), (768, 25723790), (960, 20579032), (1280, 15434274), (1536, 12861895), (1920, 10289516), (2560, 7717137), (3840, 5144758), (7680, 2572379)]