258320010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 128

約数和(自身を含む): 714147840

約数和(自身を除く): 455827830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 71, 78, 95, 114, 130, 142, 190, 195, 213, 247, 285, 355, 390, 426, 491, 494, 570, 710, 741, 923, 982, 1065, 1235, 1349, 1473, 1482, 1846, 2130, 2455, 2470, 2698, 2769, 2946, 3705, 4047, 4615, 4910, 5538, 6383, 6745, 7365, 7410, 8094, 9230, 9329, 12766, 13490, 13845, 14730, 17537, 18658, 19149, 20235, 27690, 27987, 31915, 34861, 35074, 38298, 40470, 46645, 52611, 55974, 63830, 69722, 87685, 93290, 95745, 104583, 105222, 121277, 139935, 174305, 175370, 191490, 209166, 242554, 263055, 279870, 348610, 363831, 453193, 522915, 526110, 606385, 662359, 727662, 906386, 1045830, 1212770, 1324718, 1359579, 1819155, 1987077, 2265965, 2719158, 3311795, 3638310, 3974154, 4531930, 6623590, 6797895, 8610667, 9935385, 13595790, 17221334, 19870770, 25832001, 43053335, 51664002, 86106670, 129160005, 258320010]

約数ペア:

[(1, 258320010), (2, 129160005), (3, 86106670), (5, 51664002), (6, 43053335), (10, 25832001), (13, 19870770), (15, 17221334), (19, 13595790), (26, 9935385), (30, 8610667), (38, 6797895), (39, 6623590), (57, 4531930), (65, 3974154), (71, 3638310), (78, 3311795), (95, 2719158), (114, 2265965), (130, 1987077), (142, 1819155), (190, 1359579), (195, 1324718), (213, 1212770), (247, 1045830), (285, 906386), (355, 727662), (390, 662359), (426, 606385), (491, 526110), (494, 522915), (570, 453193), (710, 363831), (741, 348610), (923, 279870), (982, 263055), (1065, 242554), (1235, 209166), (1349, 191490), (1473, 175370), (1482, 174305), (1846, 139935), (2130, 121277), (2455, 105222), (2470, 104583), (2698, 95745), (2769, 93290), (2946, 87685), (3705, 69722), (4047, 63830), (4615, 55974), (4910, 52611), (5538, 46645), (6383, 40470), (6745, 38298), (7365, 35074), (7410, 34861), (8094, 31915), (9230, 27987), (9329, 27690), (12766, 20235), (13490, 19149), (13845, 18658), (14730, 17537)]