1620235960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{118093}}^1$

素因数の和:118125

約数の個数: 64

約数和(自身を含む): 4251384000

約数和(自身を除く): 2631148040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 118093, 236186, 472372, 590465, 826651, 944744, 1180930, 1653302, 2361860, 3306604, 4133255, 4723720, 5786557, 6613208, 8266510, 11573114, 16533020, 23146228, 28932785, 33066040, 40505899, 46292456, 57865570, 81011798, 115731140, 162023596, 202529495, 231462280, 324047192, 405058990, 810117980, 1620235960]

約数ペア:

[(1, 1620235960), (2, 810117980), (4, 405058990), (5, 324047192), (7, 231462280), (8, 202529495), (10, 162023596), (14, 115731140), (20, 81011798), (28, 57865570), (35, 46292456), (40, 40505899), (49, 33066040), (56, 28932785), (70, 23146228), (98, 16533020), (140, 11573114), (196, 8266510), (245, 6613208), (280, 5786557), (343, 4723720), (392, 4133255), (490, 3306604), (686, 2361860), (980, 1653302), (1372, 1180930), (1715, 944744), (1960, 826651), (2744, 590465), (3430, 472372), (6860, 236186), (13720, 118093)]