28035840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 104857200

約数和(自身を除く): 76821360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 149, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 298, 320, 336, 384, 392, 420, 447, 448, 480, 490, 560, 588, 596, 640, 672, 735, 745, 768, 784, 840, 894, 896, 960, 980, 1043, 1120, 1176, 1192, 1280, 1344, 1470, 1490, 1568, 1680, 1788, 1792, 1920, 1960, 2086, 2235, 2240, 2352, 2384, 2688, 2940, 2980, 3129, 3136, 3360, 3576, 3840, 3920, 4172, 4470, 4480, 4704, 4768, 5215, 5376, 5880, 5960, 6258, 6272, 6720, 7152, 7301, 7840, 8344, 8940, 8960, 9408, 9536, 10430, 11760, 11920, 12516, 12544, 13440, 14304, 14602, 15645, 15680, 16688, 17880, 18816, 19072, 20860, 21903, 23520, 23840, 25032, 26880, 28608, 29204, 31290, 31360, 33376, 35760, 36505, 37632, 38144, 41720, 43806, 47040, 47680, 50064, 57216, 58408, 62580, 62720, 66752, 71520, 73010, 83440, 87612, 94080, 95360, 100128, 109515, 114432, 116816, 125160, 133504, 143040, 146020, 166880, 175224, 188160, 190720, 200256, 219030, 233632, 250320, 267008, 286080, 292040, 333760, 350448, 400512, 438060, 467264, 500640, 572160, 584080, 667520, 700896, 801024, 876120, 934528, 1001280, 1168160, 1335040, 1401792, 1752240, 1869056, 2002560, 2336320, 2803584, 3504480, 4005120, 4672640, 5607168, 7008960, 9345280, 14017920, 28035840]

約数ペア:

[(1, 28035840), (2, 14017920), (3, 9345280), (4, 7008960), (5, 5607168), (6, 4672640), (7, 4005120), (8, 3504480), (10, 2803584), (12, 2336320), (14, 2002560), (15, 1869056), (16, 1752240), (20, 1401792), (21, 1335040), (24, 1168160), (28, 1001280), (30, 934528), (32, 876120), (35, 801024), (40, 700896), (42, 667520), (48, 584080), (49, 572160), (56, 500640), (60, 467264), (64, 438060), (70, 400512), (80, 350448), (84, 333760), (96, 292040), (98, 286080), (105, 267008), (112, 250320), (120, 233632), (128, 219030), (140, 200256), (147, 190720), (149, 188160), (160, 175224), (168, 166880), (192, 146020), (196, 143040), (210, 133504), (224, 125160), (240, 116816), (245, 114432), (256, 109515), (280, 100128), (294, 95360), (298, 94080), (320, 87612), (336, 83440), (384, 73010), (392, 71520), (420, 66752), (447, 62720), (448, 62580), (480, 58408), (490, 57216), (560, 50064), (588, 47680), (596, 47040), (640, 43806), (672, 41720), (735, 38144), (745, 37632), (768, 36505), (784, 35760), (840, 33376), (894, 31360), (896, 31290), (960, 29204), (980, 28608), (1043, 26880), (1120, 25032), (1176, 23840), (1192, 23520), (1280, 21903), (1344, 20860), (1470, 19072), (1490, 18816), (1568, 17880), (1680, 16688), (1788, 15680), (1792, 15645), (1920, 14602), (1960, 14304), (2086, 13440), (2235, 12544), (2240, 12516), (2352, 11920), (2384, 11760), (2688, 10430), (2940, 9536), (2980, 9408), (3129, 8960), (3136, 8940), (3360, 8344), (3576, 7840), (3840, 7301), (3920, 7152), (4172, 6720), (4470, 6272), (4480, 6258), (4704, 5960), (4768, 5880), (5215, 5376)]