1386597780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7789}}^1$

素因数の和:7870

約数の個数: 144

約数和(自身を含む): 4491527040

約数和(自身を除く): 3104929260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 516, 645, 690, 774, 828, 860, 989, 1035, 1290, 1380, 1548, 1935, 1978, 2070, 2580, 2967, 3870, 3956, 4140, 4945, 5934, 7740, 7789, 8901, 9890, 11868, 14835, 15578, 17802, 19780, 23367, 29670, 31156, 35604, 38945, 44505, 46734, 59340, 70101, 77890, 89010, 93468, 116835, 140202, 155780, 178020, 179147, 233670, 280404, 334927, 350505, 358294, 467340, 537441, 669854, 701010, 716588, 895735, 1004781, 1074882, 1339708, 1402020, 1612323, 1674635, 1791470, 2009562, 2149764, 2687205, 3014343, 3224646, 3349270, 3582940, 4019124, 5023905, 5374410, 6028686, 6449292, 6698540, 7703321, 8061615, 10047810, 10748820, 12057372, 15071715, 15406642, 16123230, 20095620, 23109963, 30143430, 30813284, 32246460, 38516605, 46219926, 60286860, 69329889, 77033210, 92439852, 115549815, 138659778, 154066420, 231099630, 277319556, 346649445, 462199260, 693298890, 1386597780]

約数ペア:

[(1, 1386597780), (2, 693298890), (3, 462199260), (4, 346649445), (5, 277319556), (6, 231099630), (9, 154066420), (10, 138659778), (12, 115549815), (15, 92439852), (18, 77033210), (20, 69329889), (23, 60286860), (30, 46219926), (36, 38516605), (43, 32246460), (45, 30813284), (46, 30143430), (60, 23109963), (69, 20095620), (86, 16123230), (90, 15406642), (92, 15071715), (115, 12057372), (129, 10748820), (138, 10047810), (172, 8061615), (180, 7703321), (207, 6698540), (215, 6449292), (230, 6028686), (258, 5374410), (276, 5023905), (345, 4019124), (387, 3582940), (414, 3349270), (430, 3224646), (460, 3014343), (516, 2687205), (645, 2149764), (690, 2009562), (774, 1791470), (828, 1674635), (860, 1612323), (989, 1402020), (1035, 1339708), (1290, 1074882), (1380, 1004781), (1548, 895735), (1935, 716588), (1978, 701010), (2070, 669854), (2580, 537441), (2967, 467340), (3870, 358294), (3956, 350505), (4140, 334927), (4945, 280404), (5934, 233670), (7740, 179147), (7789, 178020), (8901, 155780), (9890, 140202), (11868, 116835), (14835, 93468), (15578, 89010), (17802, 77890), (19780, 70101), (23367, 59340), (29670, 46734), (31156, 44505), (35604, 38945)]