280379376

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 818947584

約数和(自身を除く): 538568208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 107, 124, 144, 186, 214, 248, 279, 321, 372, 428, 496, 558, 587, 642, 744, 856, 963, 1116, 1174, 1284, 1488, 1712, 1761, 1926, 2232, 2348, 2568, 3317, 3522, 3852, 4464, 4696, 5136, 5283, 6634, 7044, 7704, 9392, 9951, 10566, 13268, 14088, 15408, 18197, 19902, 21132, 26536, 28176, 29853, 36394, 39804, 42264, 53072, 54591, 59706, 62809, 72788, 79608, 84528, 109182, 119412, 125618, 145576, 159216, 163773, 188427, 218364, 238824, 251236, 291152, 327546, 376854, 436728, 477648, 502472, 565281, 655092, 753708, 873456, 1004944, 1130562, 1310184, 1507416, 1947079, 2261124, 2620368, 3014832, 3894158, 4522248, 5841237, 7788316, 9044496, 11682474, 15576632, 17523711, 23364948, 31153264, 35047422, 46729896, 70094844, 93459792, 140189688, 280379376]

約数ペア:

[(1, 280379376), (2, 140189688), (3, 93459792), (4, 70094844), (6, 46729896), (8, 35047422), (9, 31153264), (12, 23364948), (16, 17523711), (18, 15576632), (24, 11682474), (31, 9044496), (36, 7788316), (48, 5841237), (62, 4522248), (72, 3894158), (93, 3014832), (107, 2620368), (124, 2261124), (144, 1947079), (186, 1507416), (214, 1310184), (248, 1130562), (279, 1004944), (321, 873456), (372, 753708), (428, 655092), (496, 565281), (558, 502472), (587, 477648), (642, 436728), (744, 376854), (856, 327546), (963, 291152), (1116, 251236), (1174, 238824), (1284, 218364), (1488, 188427), (1712, 163773), (1761, 159216), (1926, 145576), (2232, 125618), (2348, 119412), (2568, 109182), (3317, 84528), (3522, 79608), (3852, 72788), (4464, 62809), (4696, 59706), (5136, 54591), (5283, 53072), (6634, 42264), (7044, 39804), (7704, 36394), (9392, 29853), (9951, 28176), (10566, 26536), (13268, 21132), (14088, 19902), (15408, 18197)]