28442880

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{823}}^1$

素因数の和:853

約数の個数: 144

約数和(自身を含む): 101055360

約数和(自身を除く): 72612480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 823, 864, 960, 1080, 1152, 1280, 1440, 1646, 1728, 1920, 2160, 2304, 2469, 2880, 3292, 3456, 3840, 4115, 4320, 4938, 5760, 6584, 6912, 7407, 8230, 8640, 9876, 11520, 12345, 13168, 14814, 16460, 17280, 19752, 22221, 24690, 26336, 29628, 32920, 34560, 37035, 39504, 44442, 49380, 52672, 59256, 65840, 74070, 79008, 88884, 98760, 105344, 111105, 118512, 131680, 148140, 158016, 177768, 197520, 210688, 222210, 237024, 263360, 296280, 316032, 355536, 395040, 444420, 474048, 526720, 592560, 632064, 711072, 790080, 888840, 948096, 1053440, 1185120, 1422144, 1580160, 1777680, 1896192, 2370240, 2844288, 3160320, 3555360, 4740480, 5688576, 7110720, 9480960, 14221440, 28442880]

約数ペア:

[(1, 28442880), (2, 14221440), (3, 9480960), (4, 7110720), (5, 5688576), (6, 4740480), (8, 3555360), (9, 3160320), (10, 2844288), (12, 2370240), (15, 1896192), (16, 1777680), (18, 1580160), (20, 1422144), (24, 1185120), (27, 1053440), (30, 948096), (32, 888840), (36, 790080), (40, 711072), (45, 632064), (48, 592560), (54, 526720), (60, 474048), (64, 444420), (72, 395040), (80, 355536), (90, 316032), (96, 296280), (108, 263360), (120, 237024), (128, 222210), (135, 210688), (144, 197520), (160, 177768), (180, 158016), (192, 148140), (216, 131680), (240, 118512), (256, 111105), (270, 105344), (288, 98760), (320, 88884), (360, 79008), (384, 74070), (432, 65840), (480, 59256), (540, 52672), (576, 49380), (640, 44442), (720, 39504), (768, 37035), (823, 34560), (864, 32920), (960, 29628), (1080, 26336), (1152, 24690), (1280, 22221), (1440, 19752), (1646, 17280), (1728, 16460), (1920, 14814), (2160, 13168), (2304, 12345), (2469, 11520), (2880, 9876), (3292, 8640), (3456, 8230), (3840, 7407), (4115, 6912), (4320, 6584), (4938, 5760)]