71882320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 177756480

約数和(自身を除く): 105874160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 361, 380, 524, 655, 722, 760, 1048, 1310, 1444, 1520, 1805, 2096, 2489, 2620, 2888, 3610, 4978, 5240, 5776, 6859, 7220, 9956, 10480, 12445, 13718, 14440, 19912, 24890, 27436, 28880, 34295, 39824, 47291, 49780, 54872, 68590, 94582, 99560, 109744, 137180, 189164, 199120, 236455, 274360, 378328, 472910, 548720, 756656, 898529, 945820, 1797058, 1891640, 3594116, 3783280, 4492645, 7188232, 8985290, 14376464, 17970580, 35941160, 71882320]

約数ペア:

[(1, 71882320), (2, 35941160), (4, 17970580), (5, 14376464), (8, 8985290), (10, 7188232), (16, 4492645), (19, 3783280), (20, 3594116), (38, 1891640), (40, 1797058), (76, 945820), (80, 898529), (95, 756656), (131, 548720), (152, 472910), (190, 378328), (262, 274360), (304, 236455), (361, 199120), (380, 189164), (524, 137180), (655, 109744), (722, 99560), (760, 94582), (1048, 68590), (1310, 54872), (1444, 49780), (1520, 47291), (1805, 39824), (2096, 34295), (2489, 28880), (2620, 27436), (2888, 24890), (3610, 19912), (4978, 14440), (5240, 13718), (5776, 12445), (6859, 10480), (7220, 9956)]