204642160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 534251520

約数和(自身を除く): 329609360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 43, 62, 76, 80, 86, 95, 101, 124, 152, 155, 172, 190, 202, 215, 248, 304, 310, 344, 380, 404, 430, 496, 505, 589, 620, 688, 760, 808, 817, 860, 1010, 1178, 1240, 1333, 1520, 1616, 1634, 1720, 1919, 2020, 2356, 2480, 2666, 2945, 3131, 3268, 3440, 3838, 4040, 4085, 4343, 4712, 5332, 5890, 6262, 6536, 6665, 7676, 8080, 8170, 8686, 9424, 9595, 10664, 11780, 12524, 13072, 13330, 15352, 15655, 16340, 17372, 19190, 21328, 21715, 23560, 25048, 25327, 26660, 30704, 31310, 32680, 34744, 38380, 43430, 47120, 50096, 50654, 53320, 59489, 62620, 65360, 69488, 76760, 82517, 86860, 101308, 106640, 118978, 125240, 126635, 134633, 153520, 165034, 173720, 202616, 237956, 250480, 253270, 269266, 297445, 330068, 347440, 405232, 412585, 475912, 506540, 538532, 594890, 660136, 673165, 825170, 951824, 1013080, 1077064, 1189780, 1320272, 1346330, 1650340, 2026160, 2154128, 2379560, 2558027, 2692660, 3300680, 4759120, 5116054, 5385320, 6601360, 10232108, 10770640, 12790135, 20464216, 25580270, 40928432, 51160540, 102321080, 204642160]

約数ペア:

[(1, 204642160), (2, 102321080), (4, 51160540), (5, 40928432), (8, 25580270), (10, 20464216), (16, 12790135), (19, 10770640), (20, 10232108), (31, 6601360), (38, 5385320), (40, 5116054), (43, 4759120), (62, 3300680), (76, 2692660), (80, 2558027), (86, 2379560), (95, 2154128), (101, 2026160), (124, 1650340), (152, 1346330), (155, 1320272), (172, 1189780), (190, 1077064), (202, 1013080), (215, 951824), (248, 825170), (304, 673165), (310, 660136), (344, 594890), (380, 538532), (404, 506540), (430, 475912), (496, 412585), (505, 405232), (589, 347440), (620, 330068), (688, 297445), (760, 269266), (808, 253270), (817, 250480), (860, 237956), (1010, 202616), (1178, 173720), (1240, 165034), (1333, 153520), (1520, 134633), (1616, 126635), (1634, 125240), (1720, 118978), (1919, 106640), (2020, 101308), (2356, 86860), (2480, 82517), (2666, 76760), (2945, 69488), (3131, 65360), (3268, 62620), (3440, 59489), (3838, 53320), (4040, 50654), (4085, 50096), (4343, 47120), (4712, 43430), (5332, 38380), (5890, 34744), (6262, 32680), (6536, 31310), (6665, 30704), (7676, 26660), (8080, 25327), (8170, 25048), (8686, 23560), (9424, 21715), (9595, 21328), (10664, 19190), (11780, 17372), (12524, 16340), (13072, 15655), (13330, 15352)]