42806680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 122235120

約数和(自身を除く): 79428440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 289, 322, 340, 391, 460, 476, 529, 578, 595, 644, 680, 782, 805, 920, 952, 1058, 1156, 1190, 1288, 1445, 1564, 1610, 1955, 2023, 2116, 2312, 2380, 2645, 2737, 2890, 3128, 3220, 3703, 3910, 4046, 4232, 4760, 5290, 5474, 5780, 6440, 6647, 7406, 7820, 8092, 8993, 10115, 10580, 10948, 11560, 13294, 13685, 14812, 15640, 16184, 17986, 18515, 20230, 21160, 21896, 26588, 27370, 29624, 33235, 35972, 37030, 40460, 44965, 46529, 53176, 54740, 62951, 66470, 71944, 74060, 80920, 89930, 93058, 109480, 125902, 132940, 148120, 152881, 179860, 186116, 232645, 251804, 265880, 305762, 314755, 359720, 372232, 465290, 503608, 611524, 629510, 764405, 930580, 1070167, 1223048, 1259020, 1528810, 1861160, 2140334, 2518040, 3057620, 4280668, 5350835, 6115240, 8561336, 10701670, 21403340, 42806680]

約数ペア:

[(1, 42806680), (2, 21403340), (4, 10701670), (5, 8561336), (7, 6115240), (8, 5350835), (10, 4280668), (14, 3057620), (17, 2518040), (20, 2140334), (23, 1861160), (28, 1528810), (34, 1259020), (35, 1223048), (40, 1070167), (46, 930580), (56, 764405), (68, 629510), (70, 611524), (85, 503608), (92, 465290), (115, 372232), (119, 359720), (136, 314755), (140, 305762), (161, 265880), (170, 251804), (184, 232645), (230, 186116), (238, 179860), (280, 152881), (289, 148120), (322, 132940), (340, 125902), (391, 109480), (460, 93058), (476, 89930), (529, 80920), (578, 74060), (595, 71944), (644, 66470), (680, 62951), (782, 54740), (805, 53176), (920, 46529), (952, 44965), (1058, 40460), (1156, 37030), (1190, 35972), (1288, 33235), (1445, 29624), (1564, 27370), (1610, 26588), (1955, 21896), (2023, 21160), (2116, 20230), (2312, 18515), (2380, 17986), (2645, 16184), (2737, 15640), (2890, 14812), (3128, 13685), (3220, 13294), (3703, 11560), (3910, 10948), (4046, 10580), (4232, 10115), (4760, 8993), (5290, 8092), (5474, 7820), (5780, 7406), (6440, 6647)]