254122960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 739452672

約数和(自身を除く): 485329712

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 182, 208, 260, 268, 280, 335, 364, 455, 469, 520, 521, 536, 560, 670, 728, 871, 910, 938, 1040, 1042, 1072, 1340, 1456, 1742, 1820, 1876, 2084, 2345, 2605, 2680, 3484, 3640, 3647, 3752, 4168, 4355, 4690, 5210, 5360, 6097, 6773, 6968, 7280, 7294, 7504, 8336, 8710, 9380, 10420, 12194, 13546, 13936, 14588, 17420, 18235, 18760, 20840, 24388, 27092, 29176, 30485, 33865, 34840, 34907, 36470, 37520, 41680, 47411, 48776, 54184, 58352, 60970, 67730, 69680, 69814, 72940, 94822, 97552, 108368, 121940, 135460, 139628, 145880, 174535, 189644, 237055, 243880, 244349, 270920, 279256, 291760, 349070, 379288, 453791, 474110, 487760, 488698, 541840, 558512, 698140, 758576, 907582, 948220, 977396, 1221745, 1396280, 1815164, 1896440, 1954792, 2268955, 2443490, 2792560, 3176537, 3630328, 3792880, 3909584, 4537910, 4886980, 6353074, 7260656, 9075820, 9773960, 12706148, 15882685, 18151640, 19547920, 25412296, 31765370, 36303280, 50824592, 63530740, 127061480, 254122960]

約数ペア:

[(1, 254122960), (2, 127061480), (4, 63530740), (5, 50824592), (7, 36303280), (8, 31765370), (10, 25412296), (13, 19547920), (14, 18151640), (16, 15882685), (20, 12706148), (26, 9773960), (28, 9075820), (35, 7260656), (40, 6353074), (52, 4886980), (56, 4537910), (65, 3909584), (67, 3792880), (70, 3630328), (80, 3176537), (91, 2792560), (104, 2443490), (112, 2268955), (130, 1954792), (134, 1896440), (140, 1815164), (182, 1396280), (208, 1221745), (260, 977396), (268, 948220), (280, 907582), (335, 758576), (364, 698140), (455, 558512), (469, 541840), (520, 488698), (521, 487760), (536, 474110), (560, 453791), (670, 379288), (728, 349070), (871, 291760), (910, 279256), (938, 270920), (1040, 244349), (1042, 243880), (1072, 237055), (1340, 189644), (1456, 174535), (1742, 145880), (1820, 139628), (1876, 135460), (2084, 121940), (2345, 108368), (2605, 97552), (2680, 94822), (3484, 72940), (3640, 69814), (3647, 69680), (3752, 67730), (4168, 60970), (4355, 58352), (4690, 54184), (5210, 48776), (5360, 47411), (6097, 41680), (6773, 37520), (6968, 36470), (7280, 34907), (7294, 34840), (7504, 33865), (8336, 30485), (8710, 29176), (9380, 27092), (10420, 24388), (12194, 20840), (13546, 18760), (13936, 18235), (14588, 17420)]