821815360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7951}}^1$

素因数の和:8004

約数の個数: 112

約数和(自身を含む): 2181392640

約数和(自身を除く): 1359577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 646, 680, 760, 1088, 1216, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 5168, 5440, 6080, 6460, 7951, 10336, 12920, 15902, 20672, 25840, 31804, 39755, 51680, 63608, 79510, 103360, 127216, 135167, 151069, 159020, 254432, 270334, 302138, 318040, 508864, 540668, 604276, 636080, 675835, 755345, 1081336, 1208552, 1272160, 1351670, 1510690, 2162672, 2417104, 2544320, 2568173, 2703340, 3021380, 4325344, 4834208, 5136346, 5406680, 6042760, 8650688, 9668416, 10272692, 10813360, 12085520, 12840865, 20545384, 21626720, 24171040, 25681730, 41090768, 43253440, 48342080, 51363460, 82181536, 102726920, 164363072, 205453840, 410907680, 821815360]

約数ペア:

[(1, 821815360), (2, 410907680), (4, 205453840), (5, 164363072), (8, 102726920), (10, 82181536), (16, 51363460), (17, 48342080), (19, 43253440), (20, 41090768), (32, 25681730), (34, 24171040), (38, 21626720), (40, 20545384), (64, 12840865), (68, 12085520), (76, 10813360), (80, 10272692), (85, 9668416), (95, 8650688), (136, 6042760), (152, 5406680), (160, 5136346), (170, 4834208), (190, 4325344), (272, 3021380), (304, 2703340), (320, 2568173), (323, 2544320), (340, 2417104), (380, 2162672), (544, 1510690), (608, 1351670), (646, 1272160), (680, 1208552), (760, 1081336), (1088, 755345), (1216, 675835), (1292, 636080), (1360, 604276), (1520, 540668), (1615, 508864), (2584, 318040), (2720, 302138), (3040, 270334), (3230, 254432), (5168, 159020), (5440, 151069), (6080, 135167), (6460, 127216), (7951, 103360), (10336, 79510), (12920, 63608), (15902, 51680), (20672, 39755), (25840, 31804)]