256336740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3562

約数の個数: 144

約数和(自身を含む): 871416000

約数和(自身を除く): 615079260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 370, 396, 407, 444, 495, 555, 660, 666, 740, 814, 990, 1110, 1221, 1332, 1628, 1665, 1980, 2035, 2220, 2442, 3330, 3499, 3663, 4070, 4884, 6105, 6660, 6998, 7326, 8140, 10497, 12210, 13996, 14652, 17495, 18315, 20994, 24420, 31491, 34990, 36630, 38489, 41988, 52485, 62982, 69980, 73260, 76978, 104970, 115467, 125964, 129463, 153956, 157455, 192445, 209940, 230934, 258926, 314910, 346401, 384890, 388389, 461868, 517852, 577335, 629820, 647315, 692802, 769780, 776778, 1154670, 1165167, 1294630, 1385604, 1424093, 1553556, 1732005, 1941945, 2309340, 2330334, 2589260, 2848186, 3464010, 3883890, 4272279, 4660668, 5696372, 5825835, 6928020, 7120465, 7767780, 8544558, 11651670, 12816837, 14240930, 17089116, 21361395, 23303340, 25633674, 28481860, 42722790, 51267348, 64084185, 85445580, 128168370, 256336740]

約数ペア:

[(1, 256336740), (2, 128168370), (3, 85445580), (4, 64084185), (5, 51267348), (6, 42722790), (9, 28481860), (10, 25633674), (11, 23303340), (12, 21361395), (15, 17089116), (18, 14240930), (20, 12816837), (22, 11651670), (30, 8544558), (33, 7767780), (36, 7120465), (37, 6928020), (44, 5825835), (45, 5696372), (55, 4660668), (60, 4272279), (66, 3883890), (74, 3464010), (90, 2848186), (99, 2589260), (110, 2330334), (111, 2309340), (132, 1941945), (148, 1732005), (165, 1553556), (180, 1424093), (185, 1385604), (198, 1294630), (220, 1165167), (222, 1154670), (330, 776778), (333, 769780), (370, 692802), (396, 647315), (407, 629820), (444, 577335), (495, 517852), (555, 461868), (660, 388389), (666, 384890), (740, 346401), (814, 314910), (990, 258926), (1110, 230934), (1221, 209940), (1332, 192445), (1628, 157455), (1665, 153956), (1980, 129463), (2035, 125964), (2220, 115467), (2442, 104970), (3330, 76978), (3499, 73260), (3663, 69980), (4070, 62982), (4884, 52485), (6105, 41988), (6660, 38489), (6998, 36630), (7326, 34990), (8140, 31491), (10497, 24420), (12210, 20994), (13996, 18315), (14652, 17495)]