255064140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2093

約数の個数: 120

約数和(自身を含む): 810680640

約数和(自身を除く): 555616500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 711, 790, 810, 948, 1185, 1422, 1580, 1620, 1993, 2133, 2370, 2844, 3555, 3986, 4266, 4740, 5979, 6399, 7110, 7972, 8532, 9965, 10665, 11958, 12798, 14220, 17937, 19930, 21330, 23916, 25596, 29895, 31995, 35874, 39860, 42660, 53811, 59790, 63990, 71748, 89685, 107622, 119580, 127980, 157447, 161433, 179370, 215244, 269055, 314894, 322866, 358740, 472341, 538110, 629788, 645732, 787235, 807165, 944682, 1076220, 1417023, 1574470, 1614330, 1889364, 2361705, 2834046, 3148940, 3228660, 4251069, 4723410, 5668092, 7085115, 8502138, 9446820, 12753207, 14170230, 17004276, 21255345, 25506414, 28340460, 42510690, 51012828, 63766035, 85021380, 127532070, 255064140]

約数ペア:

[(1, 255064140), (2, 127532070), (3, 85021380), (4, 63766035), (5, 51012828), (6, 42510690), (9, 28340460), (10, 25506414), (12, 21255345), (15, 17004276), (18, 14170230), (20, 12753207), (27, 9446820), (30, 8502138), (36, 7085115), (45, 5668092), (54, 4723410), (60, 4251069), (79, 3228660), (81, 3148940), (90, 2834046), (108, 2361705), (135, 1889364), (158, 1614330), (162, 1574470), (180, 1417023), (237, 1076220), (270, 944682), (316, 807165), (324, 787235), (395, 645732), (405, 629788), (474, 538110), (540, 472341), (711, 358740), (790, 322866), (810, 314894), (948, 269055), (1185, 215244), (1422, 179370), (1580, 161433), (1620, 157447), (1993, 127980), (2133, 119580), (2370, 107622), (2844, 89685), (3555, 71748), (3986, 63990), (4266, 59790), (4740, 53811), (5979, 42660), (6399, 39860), (7110, 35874), (7972, 31995), (8532, 29895), (9965, 25596), (10665, 23916), (11958, 21330), (12798, 19930), (14220, 17937)]