255954720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4523

約数の個数: 192

約数和(自身を含む): 975856896

約数和(自身を除く): 719902176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4481, 4760, 5712, 7140, 8160, 8962, 9520, 11424, 13443, 14280, 17924, 19040, 22405, 26886, 28560, 31367, 35848, 44810, 53772, 57120, 62734, 67215, 71696, 76177, 89620, 94101, 107544, 125468, 134430, 143392, 152354, 156835, 179240, 188202, 215088, 228531, 250936, 268860, 304708, 313670, 358480, 376404, 380885, 430176, 457062, 470505, 501872, 533239, 537720, 609416, 627340, 716960, 752808, 761770, 914124, 941010, 1003744, 1066478, 1075440, 1142655, 1218832, 1254680, 1505616, 1523540, 1599717, 1828248, 1882020, 2132956, 2150880, 2285310, 2437664, 2509360, 2666195, 3011232, 3047080, 3199434, 3656496, 3764040, 4265912, 4570620, 5018720, 5332390, 6094160, 6398868, 7312992, 7528080, 7998585, 8531824, 9141240, 10664780, 12188320, 12797736, 15056160, 15997170, 17063648, 18282480, 21329560, 25595472, 31994340, 36564960, 42659120, 51190944, 63988680, 85318240, 127977360, 255954720]

約数ペア:

[(1, 255954720), (2, 127977360), (3, 85318240), (4, 63988680), (5, 51190944), (6, 42659120), (7, 36564960), (8, 31994340), (10, 25595472), (12, 21329560), (14, 18282480), (15, 17063648), (16, 15997170), (17, 15056160), (20, 12797736), (21, 12188320), (24, 10664780), (28, 9141240), (30, 8531824), (32, 7998585), (34, 7528080), (35, 7312992), (40, 6398868), (42, 6094160), (48, 5332390), (51, 5018720), (56, 4570620), (60, 4265912), (68, 3764040), (70, 3656496), (80, 3199434), (84, 3047080), (85, 3011232), (96, 2666195), (102, 2509360), (105, 2437664), (112, 2285310), (119, 2150880), (120, 2132956), (136, 1882020), (140, 1828248), (160, 1599717), (168, 1523540), (170, 1505616), (204, 1254680), (210, 1218832), (224, 1142655), (238, 1075440), (240, 1066478), (255, 1003744), (272, 941010), (280, 914124), (336, 761770), (340, 752808), (357, 716960), (408, 627340), (420, 609416), (476, 537720), (480, 533239), (510, 501872), (544, 470505), (560, 457062), (595, 430176), (672, 380885), (680, 376404), (714, 358480), (816, 313670), (840, 304708), (952, 268860), (1020, 250936), (1120, 228531), (1190, 215088), (1360, 188202), (1428, 179240), (1632, 156835), (1680, 152354), (1785, 143392), (1904, 134430), (2040, 125468), (2380, 107544), (2720, 94101), (2856, 89620), (3360, 76177), (3570, 71696), (3808, 67215), (4080, 62734), (4481, 57120), (4760, 53772), (5712, 44810), (7140, 35848), (8160, 31367), (8962, 28560), (9520, 26886), (11424, 22405), (13443, 19040), (14280, 17924)]