28350720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 103311936

約数和(自身を除く): 74961216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 107, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 214, 230, 240, 256, 276, 288, 320, 321, 345, 360, 368, 384, 414, 428, 460, 480, 535, 552, 576, 640, 642, 690, 720, 736, 768, 828, 856, 920, 960, 963, 1035, 1070, 1104, 1152, 1280, 1284, 1380, 1440, 1472, 1605, 1656, 1712, 1840, 1920, 1926, 2070, 2140, 2208, 2304, 2461, 2568, 2760, 2880, 2944, 3210, 3312, 3424, 3680, 3840, 3852, 4140, 4280, 4416, 4815, 4922, 5136, 5520, 5760, 5888, 6420, 6624, 6848, 7360, 7383, 7704, 8280, 8560, 8832, 9630, 9844, 10272, 11040, 11520, 12305, 12840, 13248, 13696, 14720, 14766, 15408, 16560, 17120, 17664, 19260, 19688, 20544, 22080, 22149, 24610, 25680, 26496, 27392, 29440, 29532, 30816, 33120, 34240, 36915, 38520, 39376, 41088, 44160, 44298, 49220, 51360, 52992, 59064, 61632, 66240, 68480, 73830, 77040, 78752, 82176, 88320, 88596, 98440, 102720, 110745, 118128, 123264, 132480, 136960, 147660, 154080, 157504, 177192, 196880, 205440, 221490, 236256, 246528, 264960, 295320, 308160, 315008, 354384, 393760, 410880, 442980, 472512, 590640, 616320, 630016, 708768, 787520, 885960, 945024, 1181280, 1232640, 1417536, 1575040, 1771920, 1890048, 2362560, 2835072, 3150080, 3543840, 4725120, 5670144, 7087680, 9450240, 14175360, 28350720]

約数ペア:

[(1, 28350720), (2, 14175360), (3, 9450240), (4, 7087680), (5, 5670144), (6, 4725120), (8, 3543840), (9, 3150080), (10, 2835072), (12, 2362560), (15, 1890048), (16, 1771920), (18, 1575040), (20, 1417536), (23, 1232640), (24, 1181280), (30, 945024), (32, 885960), (36, 787520), (40, 708768), (45, 630016), (46, 616320), (48, 590640), (60, 472512), (64, 442980), (69, 410880), (72, 393760), (80, 354384), (90, 315008), (92, 308160), (96, 295320), (107, 264960), (115, 246528), (120, 236256), (128, 221490), (138, 205440), (144, 196880), (160, 177192), (180, 157504), (184, 154080), (192, 147660), (207, 136960), (214, 132480), (230, 123264), (240, 118128), (256, 110745), (276, 102720), (288, 98440), (320, 88596), (321, 88320), (345, 82176), (360, 78752), (368, 77040), (384, 73830), (414, 68480), (428, 66240), (460, 61632), (480, 59064), (535, 52992), (552, 51360), (576, 49220), (640, 44298), (642, 44160), (690, 41088), (720, 39376), (736, 38520), (768, 36915), (828, 34240), (856, 33120), (920, 30816), (960, 29532), (963, 29440), (1035, 27392), (1070, 26496), (1104, 25680), (1152, 24610), (1280, 22149), (1284, 22080), (1380, 20544), (1440, 19688), (1472, 19260), (1605, 17664), (1656, 17120), (1712, 16560), (1840, 15408), (1920, 14766), (1926, 14720), (2070, 13696), (2140, 13248), (2208, 12840), (2304, 12305), (2461, 11520), (2568, 11040), (2760, 10272), (2880, 9844), (2944, 9630), (3210, 8832), (3312, 8560), (3424, 8280), (3680, 7704), (3840, 7383), (3852, 7360), (4140, 6848), (4280, 6624), (4416, 6420), (4815, 5888), (4922, 5760), (5136, 5520)]