123798780

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1247

約数の個数: 168

約数和(自身を含む): 445839072

約数和(自身を除く): 322040292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1213, 1215, 1260, 1458, 1620, 1701, 1890, 2268, 2426, 2430, 2835, 2916, 3402, 3639, 3645, 3780, 4852, 4860, 5103, 5670, 6065, 6804, 7278, 7290, 8491, 8505, 10206, 10917, 11340, 12130, 14556, 14580, 16982, 17010, 18195, 20412, 21834, 24260, 25473, 25515, 32751, 33964, 34020, 36390, 42455, 43668, 50946, 51030, 54585, 65502, 72780, 76419, 84910, 98253, 101892, 102060, 109170, 127365, 131004, 152838, 163755, 169820, 196506, 218340, 229257, 254730, 294759, 305676, 327510, 382095, 393012, 458514, 491265, 509460, 589518, 655020, 687771, 764190, 884277, 917028, 982530, 1146285, 1179036, 1375542, 1473795, 1528380, 1768554, 1965060, 2063313, 2292570, 2751084, 2947590, 3438855, 3537108, 4126626, 4421385, 4585140, 5895180, 6189939, 6877710, 8253252, 8842770, 10316565, 12379878, 13755420, 17685540, 20633130, 24759756, 30949695, 41266260, 61899390, 123798780]

約数ペア:

[(1, 123798780), (2, 61899390), (3, 41266260), (4, 30949695), (5, 24759756), (6, 20633130), (7, 17685540), (9, 13755420), (10, 12379878), (12, 10316565), (14, 8842770), (15, 8253252), (18, 6877710), (20, 6189939), (21, 5895180), (27, 4585140), (28, 4421385), (30, 4126626), (35, 3537108), (36, 3438855), (42, 2947590), (45, 2751084), (54, 2292570), (60, 2063313), (63, 1965060), (70, 1768554), (81, 1528380), (84, 1473795), (90, 1375542), (105, 1179036), (108, 1146285), (126, 982530), (135, 917028), (140, 884277), (162, 764190), (180, 687771), (189, 655020), (210, 589518), (243, 509460), (252, 491265), (270, 458514), (315, 393012), (324, 382095), (378, 327510), (405, 305676), (420, 294759), (486, 254730), (540, 229257), (567, 218340), (630, 196506), (729, 169820), (756, 163755), (810, 152838), (945, 131004), (972, 127365), (1134, 109170), (1213, 102060), (1215, 101892), (1260, 98253), (1458, 84910), (1620, 76419), (1701, 72780), (1890, 65502), (2268, 54585), (2426, 51030), (2430, 50946), (2835, 43668), (2916, 42455), (3402, 36390), (3639, 34020), (3645, 33964), (3780, 32751), (4852, 25515), (4860, 25473), (5103, 24260), (5670, 21834), (6065, 20412), (6804, 18195), (7278, 17010), (7290, 16982), (8491, 14580), (8505, 14556), (10206, 12130), (10917, 11340)]