2049720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 128

約数和(自身を含む): 6912000

約数和(自身を除く): 4862280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 31, 38, 40, 57, 58, 60, 62, 76, 87, 93, 95, 114, 116, 120, 124, 145, 152, 155, 174, 186, 190, 228, 232, 248, 285, 290, 310, 348, 372, 380, 435, 456, 465, 551, 570, 580, 589, 620, 696, 744, 760, 870, 899, 930, 1102, 1140, 1160, 1178, 1240, 1653, 1740, 1767, 1798, 1860, 2204, 2280, 2356, 2697, 2755, 2945, 3306, 3480, 3534, 3596, 3720, 4408, 4495, 4712, 5394, 5510, 5890, 6612, 7068, 7192, 8265, 8835, 8990, 10788, 11020, 11780, 13224, 13485, 14136, 16530, 17081, 17670, 17980, 21576, 22040, 23560, 26970, 33060, 34162, 35340, 35960, 51243, 53940, 66120, 68324, 70680, 85405, 102486, 107880, 136648, 170810, 204972, 256215, 341620, 409944, 512430, 683240, 1024860, 2049720]

約数ペア:

[(1, 2049720), (2, 1024860), (3, 683240), (4, 512430), (5, 409944), (6, 341620), (8, 256215), (10, 204972), (12, 170810), (15, 136648), (19, 107880), (20, 102486), (24, 85405), (29, 70680), (30, 68324), (31, 66120), (38, 53940), (40, 51243), (57, 35960), (58, 35340), (60, 34162), (62, 33060), (76, 26970), (87, 23560), (93, 22040), (95, 21576), (114, 17980), (116, 17670), (120, 17081), (124, 16530), (145, 14136), (152, 13485), (155, 13224), (174, 11780), (186, 11020), (190, 10788), (228, 8990), (232, 8835), (248, 8265), (285, 7192), (290, 7068), (310, 6612), (348, 5890), (372, 5510), (380, 5394), (435, 4712), (456, 4495), (465, 4408), (551, 3720), (570, 3596), (580, 3534), (589, 3480), (620, 3306), (696, 2945), (744, 2755), (760, 2697), (870, 2356), (899, 2280), (930, 2204), (1102, 1860), (1140, 1798), (1160, 1767), (1178, 1740), (1240, 1653)]