28036620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 62774100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 131, 145, 164, 174, 180, 205, 246, 261, 262, 290, 348, 369, 393, 410, 435, 492, 522, 524, 580, 615, 655, 738, 786, 820, 870, 1044, 1179, 1189, 1230, 1305, 1310, 1476, 1572, 1740, 1845, 1965, 2358, 2378, 2460, 2610, 2620, 3567, 3690, 3799, 3930, 4716, 4756, 5220, 5371, 5895, 5945, 7134, 7380, 7598, 7860, 10701, 10742, 11397, 11790, 11890, 14268, 15196, 16113, 17835, 18995, 21402, 21484, 22794, 23580, 23780, 26855, 32226, 34191, 35670, 37990, 42804, 45588, 48339, 53505, 53710, 56985, 64452, 68382, 71340, 75980, 80565, 96678, 107010, 107420, 113970, 136764, 155759, 161130, 170955, 193356, 214020, 227940, 241695, 311518, 322260, 341910, 467277, 483390, 623036, 683820, 778795, 934554, 966780, 1401831, 1557590, 1869108, 2336385, 2803662, 3115180, 4672770, 5607324, 7009155, 9345540, 14018310, 28036620]

約数ペア:

[(1, 28036620), (2, 14018310), (3, 9345540), (4, 7009155), (5, 5607324), (6, 4672770), (9, 3115180), (10, 2803662), (12, 2336385), (15, 1869108), (18, 1557590), (20, 1401831), (29, 966780), (30, 934554), (36, 778795), (41, 683820), (45, 623036), (58, 483390), (60, 467277), (82, 341910), (87, 322260), (90, 311518), (116, 241695), (123, 227940), (131, 214020), (145, 193356), (164, 170955), (174, 161130), (180, 155759), (205, 136764), (246, 113970), (261, 107420), (262, 107010), (290, 96678), (348, 80565), (369, 75980), (393, 71340), (410, 68382), (435, 64452), (492, 56985), (522, 53710), (524, 53505), (580, 48339), (615, 45588), (655, 42804), (738, 37990), (786, 35670), (820, 34191), (870, 32226), (1044, 26855), (1179, 23780), (1189, 23580), (1230, 22794), (1305, 21484), (1310, 21402), (1476, 18995), (1572, 17835), (1740, 16113), (1845, 15196), (1965, 14268), (2358, 11890), (2378, 11790), (2460, 11397), (2610, 10742), (2620, 10701), (3567, 7860), (3690, 7598), (3799, 7380), (3930, 7134), (4716, 5945), (4756, 5895), (5220, 5371)]