206900520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 643040640

約数和(自身を除く): 436140120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 101, 120, 129, 172, 202, 215, 258, 303, 344, 397, 404, 430, 505, 516, 606, 645, 794, 808, 860, 1010, 1032, 1191, 1212, 1290, 1515, 1588, 1720, 1985, 2020, 2382, 2424, 2580, 3030, 3176, 3970, 4040, 4343, 4764, 5160, 5955, 6060, 7940, 8686, 9528, 11910, 12120, 13029, 15880, 17071, 17372, 21715, 23820, 26058, 34142, 34744, 40097, 43430, 47640, 51213, 52116, 65145, 68284, 80194, 85355, 86860, 102426, 104232, 120291, 130290, 136568, 160388, 170710, 173720, 200485, 204852, 240582, 256065, 260580, 320776, 341420, 400970, 409704, 481164, 512130, 521160, 601455, 682840, 801940, 962328, 1024260, 1202910, 1603880, 1724171, 2048520, 2405820, 3448342, 4811640, 5172513, 6896684, 8620855, 10345026, 13793368, 17241710, 20690052, 25862565, 34483420, 41380104, 51725130, 68966840, 103450260, 206900520]

約数ペア:

[(1, 206900520), (2, 103450260), (3, 68966840), (4, 51725130), (5, 41380104), (6, 34483420), (8, 25862565), (10, 20690052), (12, 17241710), (15, 13793368), (20, 10345026), (24, 8620855), (30, 6896684), (40, 5172513), (43, 4811640), (60, 3448342), (86, 2405820), (101, 2048520), (120, 1724171), (129, 1603880), (172, 1202910), (202, 1024260), (215, 962328), (258, 801940), (303, 682840), (344, 601455), (397, 521160), (404, 512130), (430, 481164), (505, 409704), (516, 400970), (606, 341420), (645, 320776), (794, 260580), (808, 256065), (860, 240582), (1010, 204852), (1032, 200485), (1191, 173720), (1212, 170710), (1290, 160388), (1515, 136568), (1588, 130290), (1720, 120291), (1985, 104232), (2020, 102426), (2382, 86860), (2424, 85355), (2580, 80194), (3030, 68284), (3176, 65145), (3970, 52116), (4040, 51213), (4343, 47640), (4764, 43430), (5160, 40097), (5955, 34744), (6060, 34142), (7940, 26058), (8686, 23820), (9528, 21715), (11910, 17372), (12120, 17071), (13029, 15880)]