728133080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 1770595200

約数和(自身を除く): 1042462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 109, 115, 137, 184, 212, 218, 230, 265, 274, 424, 436, 460, 530, 545, 548, 685, 872, 920, 1060, 1090, 1096, 1219, 1370, 2120, 2180, 2438, 2507, 2740, 3151, 4360, 4876, 5014, 5480, 5777, 6095, 6302, 7261, 9752, 10028, 11554, 12190, 12535, 12604, 14522, 14933, 15755, 20056, 23108, 24380, 25070, 25208, 28885, 29044, 29866, 31510, 36305, 46216, 48760, 50140, 57770, 58088, 59732, 63020, 72610, 74665, 100280, 115540, 119464, 126040, 132871, 145220, 149330, 167003, 231080, 265742, 290440, 298660, 334006, 343459, 531484, 597320, 664355, 668012, 686918, 791449, 835015, 1062968, 1328710, 1336024, 1373836, 1582898, 1670030, 1717295, 2657420, 2747672, 3165796, 3340060, 3434590, 3957245, 5314840, 6331592, 6680120, 6869180, 7914490, 13738360, 15828980, 18203327, 31657960, 36406654, 72813308, 91016635, 145626616, 182033270, 364066540, 728133080]

約数ペア:

[(1, 728133080), (2, 364066540), (4, 182033270), (5, 145626616), (8, 91016635), (10, 72813308), (20, 36406654), (23, 31657960), (40, 18203327), (46, 15828980), (53, 13738360), (92, 7914490), (106, 6869180), (109, 6680120), (115, 6331592), (137, 5314840), (184, 3957245), (212, 3434590), (218, 3340060), (230, 3165796), (265, 2747672), (274, 2657420), (424, 1717295), (436, 1670030), (460, 1582898), (530, 1373836), (545, 1336024), (548, 1328710), (685, 1062968), (872, 835015), (920, 791449), (1060, 686918), (1090, 668012), (1096, 664355), (1219, 597320), (1370, 531484), (2120, 343459), (2180, 334006), (2438, 298660), (2507, 290440), (2740, 265742), (3151, 231080), (4360, 167003), (4876, 149330), (5014, 145220), (5480, 132871), (5777, 126040), (6095, 119464), (6302, 115540), (7261, 100280), (9752, 74665), (10028, 72610), (11554, 63020), (12190, 59732), (12535, 58088), (12604, 57770), (14522, 50140), (14933, 48760), (15755, 46216), (20056, 36305), (23108, 31510), (24380, 29866), (25070, 29044), (25208, 28885)]