727070820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^6\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 2398154304

約数和(自身を除く): 1671083484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 343, 412, 420, 490, 515, 588, 618, 686, 721, 735, 980, 1029, 1030, 1236, 1372, 1442, 1470, 1545, 1715, 2058, 2060, 2163, 2401, 2884, 2940, 3090, 3430, 3605, 4116, 4326, 4802, 5047, 5145, 6180, 6860, 7203, 7210, 8652, 9604, 10094, 10290, 10815, 12005, 14406, 14420, 15141, 16807, 20188, 20580, 21630, 24010, 25235, 28812, 30282, 33614, 35329, 36015, 43260, 48020, 50421, 50470, 60564, 67228, 70658, 72030, 75705, 84035, 100842, 100940, 105987, 117649, 141316, 144060, 151410, 168070, 176645, 201684, 211974, 235298, 247303, 252105, 302820, 336140, 352947, 353290, 423948, 470596, 494606, 504210, 529935, 588245, 705894, 706580, 741909, 989212, 1008420, 1059870, 1176490, 1236515, 1411788, 1483818, 1731121, 1764735, 2119740, 2352980, 2473030, 2967636, 3462242, 3529470, 3709545, 4946060, 5193363, 6924484, 7058940, 7419090, 8655605, 10386726, 12117847, 14838180, 17311210, 20773452, 24235694, 25966815, 34622420, 36353541, 48471388, 51933630, 60589235, 72707082, 103867260, 121178470, 145414164, 181767705, 242356940, 363535410, 727070820]

約数ペア:

[(1, 727070820), (2, 363535410), (3, 242356940), (4, 181767705), (5, 145414164), (6, 121178470), (7, 103867260), (10, 72707082), (12, 60589235), (14, 51933630), (15, 48471388), (20, 36353541), (21, 34622420), (28, 25966815), (30, 24235694), (35, 20773452), (42, 17311210), (49, 14838180), (60, 12117847), (70, 10386726), (84, 8655605), (98, 7419090), (103, 7058940), (105, 6924484), (140, 5193363), (147, 4946060), (196, 3709545), (206, 3529470), (210, 3462242), (245, 2967636), (294, 2473030), (309, 2352980), (343, 2119740), (412, 1764735), (420, 1731121), (490, 1483818), (515, 1411788), (588, 1236515), (618, 1176490), (686, 1059870), (721, 1008420), (735, 989212), (980, 741909), (1029, 706580), (1030, 705894), (1236, 588245), (1372, 529935), (1442, 504210), (1470, 494606), (1545, 470596), (1715, 423948), (2058, 353290), (2060, 352947), (2163, 336140), (2401, 302820), (2884, 252105), (2940, 247303), (3090, 235298), (3430, 211974), (3605, 201684), (4116, 176645), (4326, 168070), (4802, 151410), (5047, 144060), (5145, 141316), (6180, 117649), (6860, 105987), (7203, 100940), (7210, 100842), (8652, 84035), (9604, 75705), (10094, 72030), (10290, 70658), (10815, 67228), (12005, 60564), (14406, 50470), (14420, 50421), (15141, 48020), (16807, 43260), (20188, 36015), (20580, 35329), (21630, 33614), (24010, 30282), (25235, 28812)]