28226520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 109624320

約数和(自身を除く): 81397800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 414, 420, 460, 483, 487, 504, 552, 630, 644, 690, 805, 828, 840, 920, 966, 974, 1035, 1260, 1288, 1380, 1449, 1461, 1610, 1656, 1932, 1948, 2070, 2415, 2435, 2520, 2760, 2898, 2922, 3220, 3409, 3864, 3896, 4140, 4383, 4830, 4870, 5796, 5844, 6440, 6818, 7245, 7305, 8280, 8766, 9660, 9740, 10227, 11201, 11592, 11688, 13636, 14490, 14610, 17045, 17532, 19320, 19480, 20454, 21915, 22402, 27272, 28980, 29220, 30681, 33603, 34090, 35064, 40908, 43830, 44804, 51135, 56005, 57960, 58440, 61362, 67206, 68180, 78407, 81816, 87660, 89608, 100809, 102270, 112010, 122724, 134412, 136360, 153405, 156814, 168015, 175320, 201618, 204540, 224020, 235221, 245448, 268824, 306810, 313628, 336030, 392035, 403236, 409080, 448040, 470442, 504045, 613620, 627256, 672060, 705663, 784070, 806472, 940884, 1008090, 1176105, 1227240, 1344120, 1411326, 1568140, 1881768, 2016180, 2352210, 2822652, 3136280, 3528315, 4032360, 4704420, 5645304, 7056630, 9408840, 14113260, 28226520]

約数ペア:

[(1, 28226520), (2, 14113260), (3, 9408840), (4, 7056630), (5, 5645304), (6, 4704420), (7, 4032360), (8, 3528315), (9, 3136280), (10, 2822652), (12, 2352210), (14, 2016180), (15, 1881768), (18, 1568140), (20, 1411326), (21, 1344120), (23, 1227240), (24, 1176105), (28, 1008090), (30, 940884), (35, 806472), (36, 784070), (40, 705663), (42, 672060), (45, 627256), (46, 613620), (56, 504045), (60, 470442), (63, 448040), (69, 409080), (70, 403236), (72, 392035), (84, 336030), (90, 313628), (92, 306810), (105, 268824), (115, 245448), (120, 235221), (126, 224020), (138, 204540), (140, 201618), (161, 175320), (168, 168015), (180, 156814), (184, 153405), (207, 136360), (210, 134412), (230, 122724), (252, 112010), (276, 102270), (280, 100809), (315, 89608), (322, 87660), (345, 81816), (360, 78407), (414, 68180), (420, 67206), (460, 61362), (483, 58440), (487, 57960), (504, 56005), (552, 51135), (630, 44804), (644, 43830), (690, 40908), (805, 35064), (828, 34090), (840, 33603), (920, 30681), (966, 29220), (974, 28980), (1035, 27272), (1260, 22402), (1288, 21915), (1380, 20454), (1449, 19480), (1461, 19320), (1610, 17532), (1656, 17045), (1932, 14610), (1948, 14490), (2070, 13636), (2415, 11688), (2435, 11592), (2520, 11201), (2760, 10227), (2898, 9740), (2922, 9660), (3220, 8766), (3409, 8280), (3864, 7305), (3896, 7245), (4140, 6818), (4383, 6440), (4830, 5844), (4870, 5796)]