646706040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3309

約数の個数: 128

約数和(自身を含む): 2065824000

約数和(自身を除く): 1419117960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 89, 95, 114, 120, 152, 178, 190, 228, 267, 285, 356, 380, 445, 456, 534, 570, 712, 760, 890, 1068, 1140, 1335, 1691, 1780, 2136, 2280, 2670, 3187, 3382, 3560, 5073, 5340, 6374, 6764, 8455, 9561, 10146, 10680, 12748, 13528, 15935, 16910, 19122, 20292, 25365, 25496, 31870, 33820, 38244, 40584, 47805, 50730, 60553, 63740, 67640, 76488, 95610, 101460, 121106, 127480, 181659, 191220, 202920, 242212, 283643, 302765, 363318, 382440, 484424, 567286, 605530, 726636, 850929, 908295, 1134572, 1211060, 1418215, 1453272, 1701858, 1816590, 2269144, 2422120, 2836430, 3403716, 3633180, 4254645, 5389217, 5672860, 6807432, 7266360, 8509290, 10778434, 11345720, 16167651, 17018580, 21556868, 26946085, 32335302, 34037160, 43113736, 53892170, 64670604, 80838255, 107784340, 129341208, 161676510, 215568680, 323353020, 646706040]

約数ペア:

[(1, 646706040), (2, 323353020), (3, 215568680), (4, 161676510), (5, 129341208), (6, 107784340), (8, 80838255), (10, 64670604), (12, 53892170), (15, 43113736), (19, 34037160), (20, 32335302), (24, 26946085), (30, 21556868), (38, 17018580), (40, 16167651), (57, 11345720), (60, 10778434), (76, 8509290), (89, 7266360), (95, 6807432), (114, 5672860), (120, 5389217), (152, 4254645), (178, 3633180), (190, 3403716), (228, 2836430), (267, 2422120), (285, 2269144), (356, 1816590), (380, 1701858), (445, 1453272), (456, 1418215), (534, 1211060), (570, 1134572), (712, 908295), (760, 850929), (890, 726636), (1068, 605530), (1140, 567286), (1335, 484424), (1691, 382440), (1780, 363318), (2136, 302765), (2280, 283643), (2670, 242212), (3187, 202920), (3382, 191220), (3560, 181659), (5073, 127480), (5340, 121106), (6374, 101460), (6764, 95610), (8455, 76488), (9561, 67640), (10146, 63740), (10680, 60553), (12748, 50730), (13528, 47805), (15935, 40584), (16910, 38244), (19122, 33820), (20292, 31870), (25365, 25496)]