2017307805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 3850260480

約数和(自身を除く): 1832952675

約数列:

[1, 3, 5, 15, 17, 19, 23, 43, 51, 57, 69, 85, 95, 115, 129, 215, 255, 285, 323, 345, 391, 421, 437, 645, 731, 817, 969, 989, 1173, 1263, 1311, 1615, 1955, 2105, 2185, 2193, 2451, 2967, 3655, 4085, 4845, 4945, 5865, 6315, 6555, 7157, 7429, 7999, 9683, 10965, 12255, 13889, 14835, 16813, 18103, 18791, 21471, 22287, 23997, 29049, 35785, 37145, 39995, 41667, 48415, 50439, 54309, 56373, 69445, 84065, 90515, 93955, 107355, 111435, 119985, 135983, 145245, 164611, 183977, 208335, 252195, 271545, 281865, 307751, 319447, 343957, 407949, 416369, 493833, 551931, 679915, 823055, 919885, 923253, 958341, 1031871, 1249107, 1538755, 1597235, 1719785, 2039745, 2081845, 2469165, 2759655, 3127609, 4616265, 4791705, 5159355, 5847269, 6245535, 7078273, 7911011, 9382827, 15638045, 17541807, 21234819, 23733033, 29236345, 35391365, 39555055, 46914135, 87709035, 106174095, 118665165, 134487187, 403461561, 672435935, 2017307805]

約数ペア:

[(1, 2017307805), (3, 672435935), (5, 403461561), (15, 134487187), (17, 118665165), (19, 106174095), (23, 87709035), (43, 46914135), (51, 39555055), (57, 35391365), (69, 29236345), (85, 23733033), (95, 21234819), (115, 17541807), (129, 15638045), (215, 9382827), (255, 7911011), (285, 7078273), (323, 6245535), (345, 5847269), (391, 5159355), (421, 4791705), (437, 4616265), (645, 3127609), (731, 2759655), (817, 2469165), (969, 2081845), (989, 2039745), (1173, 1719785), (1263, 1597235), (1311, 1538755), (1615, 1249107), (1955, 1031871), (2105, 958341), (2185, 923253), (2193, 919885), (2451, 823055), (2967, 679915), (3655, 551931), (4085, 493833), (4845, 416369), (4945, 407949), (5865, 343957), (6315, 319447), (6555, 307751), (7157, 281865), (7429, 271545), (7999, 252195), (9683, 208335), (10965, 183977), (12255, 164611), (13889, 145245), (14835, 135983), (16813, 119985), (18103, 111435), (18791, 107355), (21471, 93955), (22287, 90515), (23997, 84065), (29049, 69445), (35785, 56373), (37145, 54309), (39995, 50439), (41667, 48415)]