281426670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 256

約数和(自身を含む): 958003200

約数和(自身を除く): 676576530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 27, 30, 34, 35, 38, 42, 45, 51, 54, 57, 63, 70, 85, 90, 95, 102, 105, 114, 119, 126, 133, 135, 153, 170, 171, 189, 190, 210, 238, 255, 266, 270, 285, 306, 315, 323, 342, 357, 378, 399, 459, 461, 510, 513, 570, 595, 630, 646, 665, 714, 765, 798, 855, 918, 922, 945, 969, 1026, 1071, 1190, 1197, 1330, 1383, 1530, 1615, 1710, 1785, 1890, 1938, 1995, 2142, 2261, 2295, 2305, 2394, 2565, 2766, 2907, 3213, 3227, 3230, 3570, 3591, 3990, 4149, 4522, 4590, 4610, 4845, 5130, 5355, 5814, 5985, 6426, 6454, 6783, 6915, 7182, 7837, 8298, 8721, 8759, 9681, 9690, 10710, 11305, 11970, 12447, 13566, 13830, 14535, 15674, 16065, 16135, 17442, 17518, 17955, 19362, 20349, 20745, 22610, 23511, 24894, 26277, 29043, 29070, 32130, 32270, 33915, 35910, 39185, 40698, 41490, 43605, 43795, 47022, 48405, 52554, 54859, 58086, 61047, 61313, 62235, 67830, 70533, 78370, 78831, 87129, 87210, 87590, 96810, 101745, 109718, 117555, 122094, 122626, 124470, 131385, 141066, 145215, 148903, 157662, 164577, 174258, 183939, 203490, 211599, 235110, 236493, 262770, 274295, 290430, 297806, 305235, 306565, 329154, 352665, 367878, 394155, 423198, 435645, 446709, 472986, 493731, 548590, 551817, 610470, 613130, 705330, 744515, 788310, 822885, 871290, 893418, 919695, 987462, 1042321, 1057995, 1103634, 1182465, 1340127, 1481193, 1489030, 1645770, 1655451, 1839390, 2084642, 2115990, 2233545, 2364930, 2468655, 2680254, 2759085, 2962386, 3126963, 3310902, 4020381, 4467090, 4937310, 5211605, 5518170, 6253926, 6700635, 7405965, 8040762, 8277255, 9380889, 10423210, 13401270, 14811930, 15634815, 16554510, 18761778, 20101905, 28142667, 31269630, 40203810, 46904445, 56285334, 93808890, 140713335, 281426670]

約数ペア:

[(1, 281426670), (2, 140713335), (3, 93808890), (5, 56285334), (6, 46904445), (7, 40203810), (9, 31269630), (10, 28142667), (14, 20101905), (15, 18761778), (17, 16554510), (18, 15634815), (19, 14811930), (21, 13401270), (27, 10423210), (30, 9380889), (34, 8277255), (35, 8040762), (38, 7405965), (42, 6700635), (45, 6253926), (51, 5518170), (54, 5211605), (57, 4937310), (63, 4467090), (70, 4020381), (85, 3310902), (90, 3126963), (95, 2962386), (102, 2759085), (105, 2680254), (114, 2468655), (119, 2364930), (126, 2233545), (133, 2115990), (135, 2084642), (153, 1839390), (170, 1655451), (171, 1645770), (189, 1489030), (190, 1481193), (210, 1340127), (238, 1182465), (255, 1103634), (266, 1057995), (270, 1042321), (285, 987462), (306, 919695), (315, 893418), (323, 871290), (342, 822885), (357, 788310), (378, 744515), (399, 705330), (459, 613130), (461, 610470), (510, 551817), (513, 548590), (570, 493731), (595, 472986), (630, 446709), (646, 435645), (665, 423198), (714, 394155), (765, 367878), (798, 352665), (855, 329154), (918, 306565), (922, 305235), (945, 297806), (969, 290430), (1026, 274295), (1071, 262770), (1190, 236493), (1197, 235110), (1330, 211599), (1383, 203490), (1530, 183939), (1615, 174258), (1710, 164577), (1785, 157662), (1890, 148903), (1938, 145215), (1995, 141066), (2142, 131385), (2261, 124470), (2295, 122626), (2305, 122094), (2394, 117555), (2565, 109718), (2766, 101745), (2907, 96810), (3213, 87590), (3227, 87210), (3230, 87129), (3570, 78831), (3591, 78370), (3990, 70533), (4149, 67830), (4522, 62235), (4590, 61313), (4610, 61047), (4845, 58086), (5130, 54859), (5355, 52554), (5814, 48405), (5985, 47022), (6426, 43795), (6454, 43605), (6783, 41490), (6915, 40698), (7182, 39185), (7837, 35910), (8298, 33915), (8721, 32270), (8759, 32130), (9681, 29070), (9690, 29043), (10710, 26277), (11305, 24894), (11970, 23511), (12447, 22610), (13566, 20745), (13830, 20349), (14535, 19362), (15674, 17955), (16065, 17518), (16135, 17442)]