757510040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 1997568000

約数和(自身を除く): 1240057960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 149, 268, 271, 280, 298, 335, 469, 536, 542, 596, 670, 745, 938, 1043, 1084, 1192, 1340, 1355, 1490, 1876, 1897, 2086, 2168, 2345, 2680, 2710, 2980, 3752, 3794, 4172, 4690, 5215, 5420, 5960, 7588, 8344, 9380, 9485, 9983, 10430, 10840, 15176, 18157, 18760, 18970, 19966, 20860, 36314, 37940, 39932, 40379, 41720, 49915, 69881, 72628, 75880, 79864, 80758, 90785, 99830, 127099, 139762, 145256, 161516, 181570, 199660, 201895, 254198, 279524, 282653, 323032, 349405, 363140, 399320, 403790, 508396, 559048, 565306, 635495, 698810, 726280, 807580, 1016792, 1130612, 1270990, 1397620, 1413265, 1615160, 2261224, 2541980, 2705393, 2795240, 2826530, 5083960, 5410786, 5653060, 10821572, 11306120, 13526965, 18937751, 21643144, 27053930, 37875502, 54107860, 75751004, 94688755, 108215720, 151502008, 189377510, 378755020, 757510040]

約数ペア:

[(1, 757510040), (2, 378755020), (4, 189377510), (5, 151502008), (7, 108215720), (8, 94688755), (10, 75751004), (14, 54107860), (20, 37875502), (28, 27053930), (35, 21643144), (40, 18937751), (56, 13526965), (67, 11306120), (70, 10821572), (134, 5653060), (140, 5410786), (149, 5083960), (268, 2826530), (271, 2795240), (280, 2705393), (298, 2541980), (335, 2261224), (469, 1615160), (536, 1413265), (542, 1397620), (596, 1270990), (670, 1130612), (745, 1016792), (938, 807580), (1043, 726280), (1084, 698810), (1192, 635495), (1340, 565306), (1355, 559048), (1490, 508396), (1876, 403790), (1897, 399320), (2086, 363140), (2168, 349405), (2345, 323032), (2680, 282653), (2710, 279524), (2980, 254198), (3752, 201895), (3794, 199660), (4172, 181570), (4690, 161516), (5215, 145256), (5420, 139762), (5960, 127099), (7588, 99830), (8344, 90785), (9380, 80758), (9485, 79864), (9983, 75880), (10430, 72628), (10840, 69881), (15176, 49915), (18157, 41720), (18760, 40379), (18970, 39932), (19966, 37940), (20860, 36314)]