65141820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 207345600

約数和(自身を除く): 142203780

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, 509, 540, 711, 790, 810, 948, 1018, 1185, 1422, 1527, 1580, 1620, 2036, 2133, 2370, 2545, 2844, 3054, 3555, 4266, 4581, 4740, 5090, 6108, 6399, 7110, 7635, 8532, 9162, 10180, 10665, 12798, 13743, 14220, 15270, 18324, 21330, 22905, 25596, 27486, 30540, 31995, 40211, 41229, 42660, 45810, 54972, 63990, 68715, 80422, 82458, 91620, 120633, 127980, 137430, 160844, 164916, 201055, 206145, 241266, 274860, 361899, 402110, 412290, 482532, 603165, 723798, 804220, 824580, 1085697, 1206330, 1447596, 1809495, 2171394, 2412660, 3257091, 3618990, 4342788, 5428485, 6514182, 7237980, 10856970, 13028364, 16285455, 21713940, 32570910, 65141820]

約数ペア:

[(1, 65141820), (2, 32570910), (3, 21713940), (4, 16285455), (5, 13028364), (6, 10856970), (9, 7237980), (10, 6514182), (12, 5428485), (15, 4342788), (18, 3618990), (20, 3257091), (27, 2412660), (30, 2171394), (36, 1809495), (45, 1447596), (54, 1206330), (60, 1085697), (79, 824580), (81, 804220), (90, 723798), (108, 603165), (135, 482532), (158, 412290), (162, 402110), (180, 361899), (237, 274860), (270, 241266), (316, 206145), (324, 201055), (395, 164916), (405, 160844), (474, 137430), (509, 127980), (540, 120633), (711, 91620), (790, 82458), (810, 80422), (948, 68715), (1018, 63990), (1185, 54972), (1422, 45810), (1527, 42660), (1580, 41229), (1620, 40211), (2036, 31995), (2133, 30540), (2370, 27486), (2545, 25596), (2844, 22905), (3054, 21330), (3555, 18324), (4266, 15270), (4581, 14220), (4740, 13743), (5090, 12798), (6108, 10665), (6399, 10180), (7110, 9162), (7635, 8532)]