1520796760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{727}}^1$

素因数の和:1017

約数の個数: 128

約数和(自身を含む): 4059095040

約数和(自身を除く): 2538298280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 241, 248, 280, 310, 434, 482, 620, 727, 868, 964, 1085, 1205, 1240, 1454, 1687, 1736, 1928, 2170, 2410, 2908, 3374, 3635, 4340, 4820, 5089, 5816, 6748, 7270, 7471, 8435, 8680, 9640, 10178, 13496, 14540, 14942, 16870, 20356, 22537, 25445, 29080, 29884, 33740, 37355, 40712, 45074, 50890, 52297, 59768, 67480, 74710, 90148, 101780, 104594, 112685, 149420, 157759, 175207, 180296, 203560, 209188, 225370, 261485, 298840, 315518, 350414, 418376, 450740, 522970, 631036, 700828, 788795, 876035, 901480, 1045940, 1226449, 1262072, 1401656, 1577590, 1752070, 2091880, 2452898, 3155180, 3504140, 4905796, 5431417, 6132245, 6310360, 7008280, 9811592, 10862834, 12264490, 21725668, 24528980, 27157085, 38019919, 43451336, 49057960, 54314170, 76039838, 108628340, 152079676, 190099595, 217256680, 304159352, 380199190, 760398380, 1520796760]

約数ペア:

[(1, 1520796760), (2, 760398380), (4, 380199190), (5, 304159352), (7, 217256680), (8, 190099595), (10, 152079676), (14, 108628340), (20, 76039838), (28, 54314170), (31, 49057960), (35, 43451336), (40, 38019919), (56, 27157085), (62, 24528980), (70, 21725668), (124, 12264490), (140, 10862834), (155, 9811592), (217, 7008280), (241, 6310360), (248, 6132245), (280, 5431417), (310, 4905796), (434, 3504140), (482, 3155180), (620, 2452898), (727, 2091880), (868, 1752070), (964, 1577590), (1085, 1401656), (1205, 1262072), (1240, 1226449), (1454, 1045940), (1687, 901480), (1736, 876035), (1928, 788795), (2170, 700828), (2410, 631036), (2908, 522970), (3374, 450740), (3635, 418376), (4340, 350414), (4820, 315518), (5089, 298840), (5816, 261485), (6748, 225370), (7270, 209188), (7471, 203560), (8435, 180296), (8680, 175207), (9640, 157759), (10178, 149420), (13496, 112685), (14540, 104594), (14942, 101780), (16870, 90148), (20356, 74710), (22537, 67480), (25445, 59768), (29080, 52297), (29884, 50890), (33740, 45074), (37355, 40712)]