215788160

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 128

約数和(自身を含む): 602208000

約数和(自身を除く): 386419840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 983, 1120, 1372, 1568, 1715, 1960, 1966, 2240, 2744, 3136, 3430, 3920, 3932, 4480, 4915, 5488, 6272, 6860, 6881, 7840, 7864, 9830, 10976, 13720, 13762, 15680, 15728, 19660, 21952, 27440, 27524, 31360, 31456, 34405, 39320, 43904, 48167, 54880, 55048, 62912, 68810, 78640, 96334, 109760, 110096, 125824, 137620, 157280, 192668, 219520, 220192, 240835, 275240, 314560, 337169, 385336, 440384, 481670, 550480, 629120, 674338, 770672, 880768, 963340, 1100960, 1348676, 1541344, 1685845, 1926680, 2201920, 2697352, 3082688, 3371690, 3853360, 4403840, 5394704, 6165376, 6743380, 7706720, 10789408, 13486760, 15413440, 21578816, 26973520, 30826880, 43157632, 53947040, 107894080, 215788160]

約数ペア:

[(1, 215788160), (2, 107894080), (4, 53947040), (5, 43157632), (7, 30826880), (8, 26973520), (10, 21578816), (14, 15413440), (16, 13486760), (20, 10789408), (28, 7706720), (32, 6743380), (35, 6165376), (40, 5394704), (49, 4403840), (56, 3853360), (64, 3371690), (70, 3082688), (80, 2697352), (98, 2201920), (112, 1926680), (128, 1685845), (140, 1541344), (160, 1348676), (196, 1100960), (224, 963340), (245, 880768), (280, 770672), (320, 674338), (343, 629120), (392, 550480), (448, 481670), (490, 440384), (560, 385336), (640, 337169), (686, 314560), (784, 275240), (896, 240835), (980, 220192), (983, 219520), (1120, 192668), (1372, 157280), (1568, 137620), (1715, 125824), (1960, 110096), (1966, 109760), (2240, 96334), (2744, 78640), (3136, 68810), (3430, 62912), (3920, 55048), (3932, 54880), (4480, 48167), (4915, 43904), (5488, 39320), (6272, 34405), (6860, 31456), (6881, 31360), (7840, 27524), (7864, 27440), (9830, 21952), (10976, 19660), (13720, 15728), (13762, 15680)]