401566680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8647}}^1$

素因数の和:8710

約数の個数: 128

約数和(自身を含む): 1369843200

約数和(自身を除く): 968276520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1935, 2322, 2580, 3096, 3870, 4644, 5160, 5805, 7740, 8647, 9288, 11610, 15480, 17294, 23220, 25941, 34588, 43235, 46440, 51882, 69176, 77823, 86470, 103764, 129705, 155646, 172940, 207528, 233469, 259410, 311292, 345880, 371821, 389115, 466938, 518820, 622584, 743642, 778230, 933876, 1037640, 1115463, 1167345, 1487284, 1556460, 1859105, 1867752, 2230926, 2334690, 2974568, 3112920, 3346389, 3718210, 4461852, 4669380, 5577315, 6692778, 7436420, 8923704, 9338760, 10039167, 11154630, 13385556, 14872840, 16731945, 20078334, 22309260, 26771112, 33463890, 40156668, 44618520, 50195835, 66927780, 80313336, 100391670, 133855560, 200783340, 401566680]

約数ペア:

[(1, 401566680), (2, 200783340), (3, 133855560), (4, 100391670), (5, 80313336), (6, 66927780), (8, 50195835), (9, 44618520), (10, 40156668), (12, 33463890), (15, 26771112), (18, 22309260), (20, 20078334), (24, 16731945), (27, 14872840), (30, 13385556), (36, 11154630), (40, 10039167), (43, 9338760), (45, 8923704), (54, 7436420), (60, 6692778), (72, 5577315), (86, 4669380), (90, 4461852), (108, 3718210), (120, 3346389), (129, 3112920), (135, 2974568), (172, 2334690), (180, 2230926), (215, 1867752), (216, 1859105), (258, 1556460), (270, 1487284), (344, 1167345), (360, 1115463), (387, 1037640), (430, 933876), (516, 778230), (540, 743642), (645, 622584), (774, 518820), (860, 466938), (1032, 389115), (1080, 371821), (1161, 345880), (1290, 311292), (1548, 259410), (1720, 233469), (1935, 207528), (2322, 172940), (2580, 155646), (3096, 129705), (3870, 103764), (4644, 86470), (5160, 77823), (5805, 69176), (7740, 51882), (8647, 46440), (9288, 43235), (11610, 34588), (15480, 25941), (17294, 23220)]