2017378760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 4920652800

約数和(自身を除く): 2903274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 79, 82, 92, 115, 158, 164, 184, 205, 230, 316, 328, 395, 410, 460, 632, 677, 790, 820, 920, 943, 1354, 1580, 1640, 1817, 1886, 2708, 3160, 3239, 3385, 3634, 3772, 4715, 5416, 6478, 6770, 7268, 7544, 9085, 9430, 12956, 13540, 14536, 15571, 16195, 18170, 18860, 25912, 27080, 27757, 31142, 32390, 36340, 37720, 53483, 55514, 62284, 64780, 72680, 74497, 77855, 106966, 111028, 124568, 129560, 138785, 148994, 155710, 213932, 222056, 267415, 277570, 297988, 311420, 372485, 427864, 534830, 555140, 595976, 622840, 638411, 744970, 1069660, 1110280, 1230109, 1276822, 1489940, 2139320, 2192803, 2460218, 2553644, 2979880, 3192055, 4385606, 4920436, 5107288, 6150545, 6384110, 8771212, 9840872, 10964015, 12301090, 12768220, 17542424, 21928030, 24602180, 25536440, 43856060, 49204360, 50434469, 87712120, 100868938, 201737876, 252172345, 403475752, 504344690, 1008689380, 2017378760]

約数ペア:

[(1, 2017378760), (2, 1008689380), (4, 504344690), (5, 403475752), (8, 252172345), (10, 201737876), (20, 100868938), (23, 87712120), (40, 50434469), (41, 49204360), (46, 43856060), (79, 25536440), (82, 24602180), (92, 21928030), (115, 17542424), (158, 12768220), (164, 12301090), (184, 10964015), (205, 9840872), (230, 8771212), (316, 6384110), (328, 6150545), (395, 5107288), (410, 4920436), (460, 4385606), (632, 3192055), (677, 2979880), (790, 2553644), (820, 2460218), (920, 2192803), (943, 2139320), (1354, 1489940), (1580, 1276822), (1640, 1230109), (1817, 1110280), (1886, 1069660), (2708, 744970), (3160, 638411), (3239, 622840), (3385, 595976), (3634, 555140), (3772, 534830), (4715, 427864), (5416, 372485), (6478, 311420), (6770, 297988), (7268, 277570), (7544, 267415), (9085, 222056), (9430, 213932), (12956, 155710), (13540, 148994), (14536, 138785), (15571, 129560), (16195, 124568), (18170, 111028), (18860, 106966), (25912, 77855), (27080, 74497), (27757, 72680), (31142, 64780), (32390, 62284), (36340, 55514), (37720, 53483)]