142848640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 378069120

約数和(自身を除く): 235220480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 103, 110, 128, 160, 176, 197, 206, 220, 320, 352, 394, 412, 440, 515, 640, 704, 788, 824, 880, 985, 1030, 1133, 1408, 1576, 1648, 1760, 1970, 2060, 2167, 2266, 3152, 3296, 3520, 3940, 4120, 4334, 4532, 5665, 6304, 6592, 7040, 7880, 8240, 8668, 9064, 10835, 11330, 12608, 13184, 15760, 16480, 17336, 18128, 20291, 21670, 22660, 25216, 31520, 32960, 34672, 36256, 40582, 43340, 45320, 63040, 65920, 69344, 72512, 81164, 86680, 90640, 101455, 126080, 138688, 145024, 162328, 173360, 181280, 202910, 223201, 277376, 324656, 346720, 362560, 405820, 446402, 649312, 693440, 725120, 811640, 892804, 1116005, 1298624, 1386880, 1623280, 1785608, 2232010, 2597248, 3246560, 3571216, 4464020, 6493120, 7142432, 8928040, 12986240, 14284864, 17856080, 28569728, 35712160, 71424320, 142848640]

約数ペア:

[(1, 142848640), (2, 71424320), (4, 35712160), (5, 28569728), (8, 17856080), (10, 14284864), (11, 12986240), (16, 8928040), (20, 7142432), (22, 6493120), (32, 4464020), (40, 3571216), (44, 3246560), (55, 2597248), (64, 2232010), (80, 1785608), (88, 1623280), (103, 1386880), (110, 1298624), (128, 1116005), (160, 892804), (176, 811640), (197, 725120), (206, 693440), (220, 649312), (320, 446402), (352, 405820), (394, 362560), (412, 346720), (440, 324656), (515, 277376), (640, 223201), (704, 202910), (788, 181280), (824, 173360), (880, 162328), (985, 145024), (1030, 138688), (1133, 126080), (1408, 101455), (1576, 90640), (1648, 86680), (1760, 81164), (1970, 72512), (2060, 69344), (2167, 65920), (2266, 63040), (3152, 45320), (3296, 43340), (3520, 40582), (3940, 36256), (4120, 34672), (4334, 32960), (4532, 31520), (5665, 25216), (6304, 22660), (6592, 21670), (7040, 20291), (7880, 18128), (8240, 17336), (8668, 16480), (9064, 15760), (10835, 13184), (11330, 12608)]