641230620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 1968046080

約数和(自身を除く): 1326815460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 103, 114, 127, 129, 172, 190, 206, 215, 228, 254, 258, 285, 309, 380, 381, 412, 430, 508, 515, 516, 570, 618, 635, 645, 762, 817, 860, 1030, 1140, 1236, 1270, 1290, 1524, 1545, 1634, 1905, 1957, 2060, 2413, 2451, 2540, 2580, 3090, 3268, 3810, 3914, 4085, 4429, 4826, 4902, 5461, 5871, 6180, 7239, 7620, 7828, 8170, 8858, 9652, 9785, 9804, 10922, 11742, 12065, 12255, 13081, 13287, 14478, 16340, 16383, 17716, 19570, 21844, 22145, 23484, 24130, 24510, 26162, 26574, 27305, 28956, 29355, 32766, 36195, 39140, 39243, 44290, 48260, 49020, 52324, 53148, 54610, 58710, 65405, 65532, 66435, 72390, 78486, 81915, 84151, 88580, 103759, 109220, 117420, 130810, 132870, 144780, 156972, 163830, 168302, 196215, 207518, 248539, 252453, 261620, 265740, 311277, 327660, 336604, 392430, 415036, 420755, 497078, 504906, 518795, 562483, 622554, 745617, 784860, 841510, 994156, 1009812, 1037590, 1124966, 1242695, 1245108, 1262265, 1491234, 1556385, 1683020, 1687449, 2075180, 2249932, 2485390, 2524530, 2812415, 2982468, 3112770, 3374898, 3728085, 4970780, 5049060, 5624830, 6225540, 6749796, 7456170, 8437245, 10687177, 11249660, 14912340, 16874490, 21374354, 32061531, 33748980, 42748708, 53435885, 64123062, 106871770, 128246124, 160307655, 213743540, 320615310, 641230620]

約数ペア:

[(1, 641230620), (2, 320615310), (3, 213743540), (4, 160307655), (5, 128246124), (6, 106871770), (10, 64123062), (12, 53435885), (15, 42748708), (19, 33748980), (20, 32061531), (30, 21374354), (38, 16874490), (43, 14912340), (57, 11249660), (60, 10687177), (76, 8437245), (86, 7456170), (95, 6749796), (103, 6225540), (114, 5624830), (127, 5049060), (129, 4970780), (172, 3728085), (190, 3374898), (206, 3112770), (215, 2982468), (228, 2812415), (254, 2524530), (258, 2485390), (285, 2249932), (309, 2075180), (380, 1687449), (381, 1683020), (412, 1556385), (430, 1491234), (508, 1262265), (515, 1245108), (516, 1242695), (570, 1124966), (618, 1037590), (635, 1009812), (645, 994156), (762, 841510), (817, 784860), (860, 745617), (1030, 622554), (1140, 562483), (1236, 518795), (1270, 504906), (1290, 497078), (1524, 420755), (1545, 415036), (1634, 392430), (1905, 336604), (1957, 327660), (2060, 311277), (2413, 265740), (2451, 261620), (2540, 252453), (2580, 248539), (3090, 207518), (3268, 196215), (3810, 168302), (3914, 163830), (4085, 156972), (4429, 144780), (4826, 132870), (4902, 130810), (5461, 117420), (5871, 109220), (6180, 103759), (7239, 88580), (7620, 84151), (7828, 81915), (8170, 78486), (8858, 72390), (9652, 66435), (9785, 65532), (9804, 65405), (10922, 58710), (11742, 54610), (12065, 53148), (12255, 52324), (13081, 49020), (13287, 48260), (14478, 44290), (16340, 39243), (16383, 39140), (17716, 36195), (19570, 32766), (21844, 29355), (22145, 28956), (23484, 27305), (24130, 26574), (24510, 26162)]