18576240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 63478080

約数和(自身を除く): 44901840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 157, 170, 174, 204, 232, 240, 255, 272, 290, 314, 340, 348, 408, 435, 464, 471, 493, 510, 580, 628, 680, 696, 785, 816, 870, 942, 986, 1020, 1160, 1256, 1360, 1392, 1479, 1570, 1740, 1884, 1972, 2040, 2320, 2355, 2465, 2512, 2669, 2958, 3140, 3480, 3768, 3944, 4080, 4553, 4710, 4930, 5338, 5916, 6280, 6960, 7395, 7536, 7888, 8007, 9106, 9420, 9860, 10676, 11832, 12560, 13345, 13659, 14790, 16014, 18212, 18840, 19720, 21352, 22765, 23664, 26690, 27318, 29580, 32028, 36424, 37680, 39440, 40035, 42704, 45530, 53380, 54636, 59160, 64056, 68295, 72848, 77401, 80070, 91060, 106760, 109272, 118320, 128112, 136590, 154802, 160140, 182120, 213520, 218544, 232203, 273180, 309604, 320280, 364240, 387005, 464406, 546360, 619208, 640560, 774010, 928812, 1092720, 1161015, 1238416, 1548020, 1857624, 2322030, 3096040, 3715248, 4644060, 6192080, 9288120, 18576240]

約数ペア:

[(1, 18576240), (2, 9288120), (3, 6192080), (4, 4644060), (5, 3715248), (6, 3096040), (8, 2322030), (10, 1857624), (12, 1548020), (15, 1238416), (16, 1161015), (17, 1092720), (20, 928812), (24, 774010), (29, 640560), (30, 619208), (34, 546360), (40, 464406), (48, 387005), (51, 364240), (58, 320280), (60, 309604), (68, 273180), (80, 232203), (85, 218544), (87, 213520), (102, 182120), (116, 160140), (120, 154802), (136, 136590), (145, 128112), (157, 118320), (170, 109272), (174, 106760), (204, 91060), (232, 80070), (240, 77401), (255, 72848), (272, 68295), (290, 64056), (314, 59160), (340, 54636), (348, 53380), (408, 45530), (435, 42704), (464, 40035), (471, 39440), (493, 37680), (510, 36424), (580, 32028), (628, 29580), (680, 27318), (696, 26690), (785, 23664), (816, 22765), (870, 21352), (942, 19720), (986, 18840), (1020, 18212), (1160, 16014), (1256, 14790), (1360, 13659), (1392, 13345), (1479, 12560), (1570, 11832), (1740, 10676), (1884, 9860), (1972, 9420), (2040, 9106), (2320, 8007), (2355, 7888), (2465, 7536), (2512, 7395), (2669, 6960), (2958, 6280), (3140, 5916), (3480, 5338), (3768, 4930), (3944, 4710), (4080, 4553)]