8581320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 30810780

約数和(自身を除く): 22229460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 197, 198, 220, 242, 264, 330, 360, 363, 394, 396, 440, 484, 495, 591, 605, 660, 726, 788, 792, 968, 985, 990, 1089, 1182, 1210, 1320, 1452, 1576, 1773, 1815, 1970, 1980, 2167, 2178, 2364, 2420, 2904, 2955, 3546, 3630, 3940, 3960, 4334, 4356, 4728, 4840, 5445, 5910, 6501, 7092, 7260, 7880, 8668, 8712, 8865, 10835, 10890, 11820, 13002, 14184, 14520, 17336, 17730, 19503, 21670, 21780, 23640, 23837, 26004, 32505, 35460, 39006, 43340, 43560, 47674, 52008, 65010, 70920, 71511, 78012, 86680, 95348, 97515, 119185, 130020, 143022, 156024, 190696, 195030, 214533, 238370, 260040, 286044, 357555, 390060, 429066, 476740, 572088, 715110, 780120, 858132, 953480, 1072665, 1430220, 1716264, 2145330, 2860440, 4290660, 8581320]

約数ペア:

[(1, 8581320), (2, 4290660), (3, 2860440), (4, 2145330), (5, 1716264), (6, 1430220), (8, 1072665), (9, 953480), (10, 858132), (11, 780120), (12, 715110), (15, 572088), (18, 476740), (20, 429066), (22, 390060), (24, 357555), (30, 286044), (33, 260040), (36, 238370), (40, 214533), (44, 195030), (45, 190696), (55, 156024), (60, 143022), (66, 130020), (72, 119185), (88, 97515), (90, 95348), (99, 86680), (110, 78012), (120, 71511), (121, 70920), (132, 65010), (165, 52008), (180, 47674), (197, 43560), (198, 43340), (220, 39006), (242, 35460), (264, 32505), (330, 26004), (360, 23837), (363, 23640), (394, 21780), (396, 21670), (440, 19503), (484, 17730), (495, 17336), (591, 14520), (605, 14184), (660, 13002), (726, 11820), (788, 10890), (792, 10835), (968, 8865), (985, 8712), (990, 8668), (1089, 7880), (1182, 7260), (1210, 7092), (1320, 6501), (1452, 5910), (1576, 5445), (1773, 4840), (1815, 4728), (1970, 4356), (1980, 4334), (2167, 3960), (2178, 3940), (2364, 3630), (2420, 3546), (2904, 2955)]