261273456

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 763236864

約数和(自身を除く): 501963408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 107, 124, 144, 186, 214, 248, 279, 321, 372, 428, 496, 547, 558, 642, 744, 856, 963, 1094, 1116, 1284, 1488, 1641, 1712, 1926, 2188, 2232, 2568, 3282, 3317, 3852, 4376, 4464, 4923, 5136, 6564, 6634, 7704, 8752, 9846, 9951, 13128, 13268, 15408, 16957, 19692, 19902, 26256, 26536, 29853, 33914, 39384, 39804, 50871, 53072, 58529, 59706, 67828, 78768, 79608, 101742, 117058, 119412, 135656, 152613, 159216, 175587, 203484, 234116, 238824, 271312, 305226, 351174, 406968, 468232, 477648, 526761, 610452, 702348, 813936, 936464, 1053522, 1220904, 1404696, 1814399, 2107044, 2441808, 2809392, 3628798, 4214088, 5443197, 7257596, 8428176, 10886394, 14515192, 16329591, 21772788, 29030384, 32659182, 43545576, 65318364, 87091152, 130636728, 261273456]

約数ペア:

[(1, 261273456), (2, 130636728), (3, 87091152), (4, 65318364), (6, 43545576), (8, 32659182), (9, 29030384), (12, 21772788), (16, 16329591), (18, 14515192), (24, 10886394), (31, 8428176), (36, 7257596), (48, 5443197), (62, 4214088), (72, 3628798), (93, 2809392), (107, 2441808), (124, 2107044), (144, 1814399), (186, 1404696), (214, 1220904), (248, 1053522), (279, 936464), (321, 813936), (372, 702348), (428, 610452), (496, 526761), (547, 477648), (558, 468232), (642, 406968), (744, 351174), (856, 305226), (963, 271312), (1094, 238824), (1116, 234116), (1284, 203484), (1488, 175587), (1641, 159216), (1712, 152613), (1926, 135656), (2188, 119412), (2232, 117058), (2568, 101742), (3282, 79608), (3317, 78768), (3852, 67828), (4376, 59706), (4464, 58529), (4923, 53072), (5136, 50871), (6564, 39804), (6634, 39384), (7704, 33914), (8752, 29853), (9846, 26536), (9951, 26256), (13128, 19902), (13268, 19692), (15408, 16957)]