2015418280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 4786905600

約数和(自身を除く): 2771487320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 113, 179, 188, 212, 226, 235, 265, 358, 376, 424, 452, 470, 530, 565, 716, 895, 904, 940, 1060, 1130, 1432, 1790, 1880, 2120, 2260, 2491, 3580, 4520, 4982, 5311, 5989, 7160, 8413, 9487, 9964, 10622, 11978, 12455, 16826, 18974, 19928, 20227, 21244, 23956, 24910, 26555, 29945, 33652, 37948, 40454, 42065, 42488, 47435, 47912, 49820, 53110, 59890, 67304, 75896, 80908, 84130, 94870, 99640, 101135, 106220, 119780, 161816, 168260, 189740, 202270, 212440, 239560, 281483, 336520, 379480, 404540, 445889, 562966, 809080, 891778, 950669, 1072031, 1125932, 1407415, 1783556, 1901338, 2144062, 2229445, 2251864, 2814830, 3567112, 3802676, 4288124, 4458890, 4753345, 5360155, 5629660, 7605352, 8576248, 8917780, 9506690, 10720310, 11259320, 17835560, 19013380, 21440620, 38026760, 42881240, 50385457, 100770914, 201541828, 251927285, 403083656, 503854570, 1007709140, 2015418280]

約数ペア:

[(1, 2015418280), (2, 1007709140), (4, 503854570), (5, 403083656), (8, 251927285), (10, 201541828), (20, 100770914), (40, 50385457), (47, 42881240), (53, 38026760), (94, 21440620), (106, 19013380), (113, 17835560), (179, 11259320), (188, 10720310), (212, 9506690), (226, 8917780), (235, 8576248), (265, 7605352), (358, 5629660), (376, 5360155), (424, 4753345), (452, 4458890), (470, 4288124), (530, 3802676), (565, 3567112), (716, 2814830), (895, 2251864), (904, 2229445), (940, 2144062), (1060, 1901338), (1130, 1783556), (1432, 1407415), (1790, 1125932), (1880, 1072031), (2120, 950669), (2260, 891778), (2491, 809080), (3580, 562966), (4520, 445889), (4982, 404540), (5311, 379480), (5989, 336520), (7160, 281483), (8413, 239560), (9487, 212440), (9964, 202270), (10622, 189740), (11978, 168260), (12455, 161816), (16826, 119780), (18974, 106220), (19928, 101135), (20227, 99640), (21244, 94870), (23956, 84130), (24910, 80908), (26555, 75896), (29945, 67304), (33652, 59890), (37948, 53110), (40454, 49820), (42065, 47912), (42488, 47435)]