638167680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{36931}}^1$

素因数の和:36959

約数の個数: 128

約数和(自身を含む): 2260238400

約数和(自身を除く): 1622070720

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 36931, 73862, 110793, 147724, 184655, 221586, 295448, 332379, 369310, 443172, 553965, 590896, 664758, 738620, 886344, 997137, 1107930, 1181792, 1329516, 1477240, 1661895, 1772688, 1994274, 2215860, 2363584, 2659032, 2954480, 3323790, 3545376, 3988548, 4431720, 4727168, 4985685, 5318064, 5908960, 6647580, 7090752, 7977096, 8863440, 9971370, 10636128, 11817920, 13295160, 14181504, 15954192, 17726880, 19942740, 21272256, 23635840, 26590320, 31908384, 35453760, 39885480, 42544512, 53180640, 63816768, 70907520, 79770960, 106361280, 127633536, 159541920, 212722560, 319083840, 638167680]

約数ペア:

[(1, 638167680), (2, 319083840), (3, 212722560), (4, 159541920), (5, 127633536), (6, 106361280), (8, 79770960), (9, 70907520), (10, 63816768), (12, 53180640), (15, 42544512), (16, 39885480), (18, 35453760), (20, 31908384), (24, 26590320), (27, 23635840), (30, 21272256), (32, 19942740), (36, 17726880), (40, 15954192), (45, 14181504), (48, 13295160), (54, 11817920), (60, 10636128), (64, 9971370), (72, 8863440), (80, 7977096), (90, 7090752), (96, 6647580), (108, 5908960), (120, 5318064), (128, 4985685), (135, 4727168), (144, 4431720), (160, 3988548), (180, 3545376), (192, 3323790), (216, 2954480), (240, 2659032), (270, 2363584), (288, 2215860), (320, 1994274), (360, 1772688), (384, 1661895), (432, 1477240), (480, 1329516), (540, 1181792), (576, 1107930), (640, 997137), (720, 886344), (864, 738620), (960, 664758), (1080, 590896), (1152, 553965), (1440, 443172), (1728, 369310), (1920, 332379), (2160, 295448), (2880, 221586), (3456, 184655), (4320, 147724), (5760, 110793), (8640, 73862), (17280, 36931)]