74465720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 206807040

約数和(自身を除く): 132341320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 373, 434, 460, 620, 644, 713, 746, 805, 868, 920, 1085, 1240, 1288, 1426, 1492, 1610, 1736, 1865, 2170, 2611, 2852, 2984, 3220, 3565, 3730, 4340, 4991, 5222, 5704, 6440, 7130, 7460, 8579, 8680, 9982, 10444, 11563, 13055, 14260, 14920, 17158, 19964, 20888, 23126, 24955, 26110, 28520, 34316, 39928, 42895, 46252, 49910, 52220, 57815, 60053, 68632, 80941, 85790, 92504, 99820, 104440, 115630, 120106, 161882, 171580, 199640, 231260, 240212, 265949, 300265, 323764, 343160, 404705, 462520, 480424, 531898, 600530, 647528, 809410, 1063796, 1201060, 1329745, 1618820, 1861643, 2127592, 2402120, 2659490, 3237640, 3723286, 5318980, 7446572, 9308215, 10637960, 14893144, 18616430, 37232860, 74465720]

約数ペア:

[(1, 74465720), (2, 37232860), (4, 18616430), (5, 14893144), (7, 10637960), (8, 9308215), (10, 7446572), (14, 5318980), (20, 3723286), (23, 3237640), (28, 2659490), (31, 2402120), (35, 2127592), (40, 1861643), (46, 1618820), (56, 1329745), (62, 1201060), (70, 1063796), (92, 809410), (115, 647528), (124, 600530), (140, 531898), (155, 480424), (161, 462520), (184, 404705), (217, 343160), (230, 323764), (248, 300265), (280, 265949), (310, 240212), (322, 231260), (373, 199640), (434, 171580), (460, 161882), (620, 120106), (644, 115630), (713, 104440), (746, 99820), (805, 92504), (868, 85790), (920, 80941), (1085, 68632), (1240, 60053), (1288, 57815), (1426, 52220), (1492, 49910), (1610, 46252), (1736, 42895), (1865, 39928), (2170, 34316), (2611, 28520), (2852, 26110), (2984, 24955), (3220, 23126), (3565, 20888), (3730, 19964), (4340, 17158), (4991, 14920), (5222, 14260), (5704, 13055), (6440, 11563), (7130, 10444), (7460, 9982), (8579, 8680)]