207920160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20627}}^1$

素因数の和:20655

約数の個数: 144

約数和(自身を含む): 810927936

約数和(自身を除く): 603007776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20627, 41254, 61881, 82508, 103135, 123762, 144389, 165016, 185643, 206270, 247524, 288778, 309405, 330032, 371286, 412540, 433167, 495048, 577556, 618810, 660064, 721945, 742572, 825080, 866334, 928215, 990096, 1155112, 1237620, 1299501, 1443890, 1485144, 1650160, 1732668, 1856430, 1980192, 2165835, 2310224, 2475240, 2599002, 2887780, 2970288, 3300320, 3465336, 3712860, 4331670, 4620448, 4950480, 5198004, 5775560, 5940576, 6497505, 6930672, 7425720, 8663340, 9900960, 10396008, 11551120, 12995010, 13861344, 14851440, 17326680, 20792016, 23102240, 25990020, 29702880, 34653360, 41584032, 51980040, 69306720, 103960080, 207920160]

約数ペア:

[(1, 207920160), (2, 103960080), (3, 69306720), (4, 51980040), (5, 41584032), (6, 34653360), (7, 29702880), (8, 25990020), (9, 23102240), (10, 20792016), (12, 17326680), (14, 14851440), (15, 13861344), (16, 12995010), (18, 11551120), (20, 10396008), (21, 9900960), (24, 8663340), (28, 7425720), (30, 6930672), (32, 6497505), (35, 5940576), (36, 5775560), (40, 5198004), (42, 4950480), (45, 4620448), (48, 4331670), (56, 3712860), (60, 3465336), (63, 3300320), (70, 2970288), (72, 2887780), (80, 2599002), (84, 2475240), (90, 2310224), (96, 2165835), (105, 1980192), (112, 1856430), (120, 1732668), (126, 1650160), (140, 1485144), (144, 1443890), (160, 1299501), (168, 1237620), (180, 1155112), (210, 990096), (224, 928215), (240, 866334), (252, 825080), (280, 742572), (288, 721945), (315, 660064), (336, 618810), (360, 577556), (420, 495048), (480, 433167), (504, 412540), (560, 371286), (630, 330032), (672, 309405), (720, 288778), (840, 247524), (1008, 206270), (1120, 185643), (1260, 165016), (1440, 144389), (1680, 123762), (2016, 103135), (2520, 82508), (3360, 61881), (5040, 41254), (10080, 20627)]