257350680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31081}}^1$

素因数の和:31121

約数の個数: 96

約数和(自身を含む): 872782560

約数和(自身を除く): 615431880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 31081, 62162, 93243, 124324, 155405, 186486, 248648, 279729, 310810, 372972, 466215, 559458, 621620, 714863, 745944, 932430, 1118916, 1243240, 1398645, 1429726, 1864860, 2144589, 2237832, 2797290, 2859452, 3574315, 3729720, 4289178, 5594580, 5718904, 6433767, 7148630, 8578356, 10722945, 11189160, 12867534, 14297260, 17156712, 21445890, 25735068, 28594520, 32168835, 42891780, 51470136, 64337670, 85783560, 128675340, 257350680]

約数ペア:

[(1, 257350680), (2, 128675340), (3, 85783560), (4, 64337670), (5, 51470136), (6, 42891780), (8, 32168835), (9, 28594520), (10, 25735068), (12, 21445890), (15, 17156712), (18, 14297260), (20, 12867534), (23, 11189160), (24, 10722945), (30, 8578356), (36, 7148630), (40, 6433767), (45, 5718904), (46, 5594580), (60, 4289178), (69, 3729720), (72, 3574315), (90, 2859452), (92, 2797290), (115, 2237832), (120, 2144589), (138, 1864860), (180, 1429726), (184, 1398645), (207, 1243240), (230, 1118916), (276, 932430), (345, 745944), (360, 714863), (414, 621620), (460, 559458), (552, 466215), (690, 372972), (828, 310810), (920, 279729), (1035, 248648), (1380, 186486), (1656, 155405), (2070, 124324), (2760, 93243), (4140, 62162), (8280, 31081)]